diff --git a/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/NetherGeyserPolymer.java b/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/NetherGeyserPolymer.java
index 60ffe7b..32e76cd 100644
--- a/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/NetherGeyserPolymer.java
+++ b/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/NetherGeyserPolymer.java
@@ -26,13 +26,20 @@ public NetherGeyserPolymer(Identifier blockId) {
     public BlockState getPolymerBlockState(BlockState state) {
         return PolyUtil.SMALL_BLOCK;
     }
+
     @Override
     public BlockState getPolymerBlockState(BlockState state, PacketContext context) {
+        if (context == null) {
+            return getPolymerBlockState(state);
+        }
         return hasModOnClient(context.getPlayer()) ? state : getPolymerBlockState(state);
     }
 
     @Override
     public BlockState getPolymerBreakEventBlockState(BlockState state, PacketContext context) {
+        if (context == null) {
+            return Blocks.NETHERRACK.getDefaultState();
+        }
         return hasModOnClient(context.getPlayer()) ? state : Blocks.NETHERRACK.getDefaultState();
     }
 
@@ -42,6 +49,11 @@ public BlockState getPolymerBreakEventBlockState(BlockState state, PacketContext
     }
 
     @Override
-    public boolean canSyncRawToClient(PacketContext context) {return hasModOnClient(context.getPlayer());}
+    public boolean canSyncRawToClient(PacketContext context) {
+        if (context == null) {
+            return false;
+        }
+        return hasModOnClient(context.getPlayer());
+    }
 
 }
diff --git a/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/OverworldGeyserPolymer.java b/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/OverworldGeyserPolymer.java
index 13d86f7..2928caa 100644
--- a/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/OverworldGeyserPolymer.java
+++ b/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/OverworldGeyserPolymer.java
@@ -28,11 +28,17 @@ public BlockState getPolymerBlockState(BlockState state) {
     }
     @Override
     public BlockState getPolymerBlockState(BlockState state, PacketContext context) {
+        if (context==null) {
+            return getPolymerBlockState(state);
+        }
         return hasModOnClient(context.getPlayer()) ? state : getPolymerBlockState(state);
     }
 
     @Override
     public BlockState getPolymerBreakEventBlockState(BlockState state, PacketContext context) {
+        if (context == null) {
+            return Blocks.SNOW.getDefaultState();
+        }
         return hasModOnClient(context.getPlayer()) ? state : Blocks.SNOW.getDefaultState();
     }
 
@@ -43,6 +49,9 @@ public BlockState getPolymerBreakEventBlockState(BlockState state, PacketContext
 
     @Override
     public boolean canSyncRawToClient(PacketContext context) {
+        if (context == null) {
+            return false;
+        }
         return hasModOnClient(context.getPlayer());
     }
 }
diff --git a/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/PineconePolymer.java b/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/PineconePolymer.java
index 5ee2c6e..8d1f5fd 100644
--- a/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/PineconePolymer.java
+++ b/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/PineconePolymer.java
@@ -30,11 +30,17 @@ public BlockState getPolymerBlockState(BlockState state) {
     }
     @Override
     public BlockState getPolymerBlockState(BlockState state, PacketContext context) {
+        if (context==null) {
+            return getPolymerBlockState(state);
+        }
         return hasModOnClient(context.getPlayer()) ? state : getPolymerBlockState(state);
     }
 
     @Override
     public BlockState getPolymerBreakEventBlockState(BlockState state, PacketContext context) {
+        if (context==null) {
+            return Blocks.SPRUCE_BUTTON.getDefaultState().with(Properties.BLOCK_FACE, BlockFace.FLOOR);
+        }
         return hasModOnClient(context.getPlayer()) ? state : Blocks.SPRUCE_BUTTON.getDefaultState().with(Properties.BLOCK_FACE, BlockFace.FLOOR);
     }
 
@@ -45,6 +51,9 @@ public BlockState getPolymerBreakEventBlockState(BlockState state, PacketContext
 
     @Override
     public boolean canSyncRawToClient(PacketContext context) {
+        if (context == null) {
+            return false;
+        }
         return hasModOnClient(context.getPlayer());
     }
 }
diff --git a/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/RockPolymer.java b/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/RockPolymer.java
index d2e2c88..7861d10 100644
--- a/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/RockPolymer.java
+++ b/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/RockPolymer.java
@@ -30,11 +30,17 @@ public BlockState getPolymerBlockState(BlockState state) {
     }
     @Override
     public BlockState getPolymerBlockState(BlockState state, PacketContext context) {
+        if (context==null) {
+            return getPolymerBlockState(state);
+        }
         return hasModOnClient(context.getPlayer()) ? state : getPolymerBlockState(state);
     }
 
     @Override
     public BlockState getPolymerBreakEventBlockState(BlockState state, PacketContext context) {
+        if (context==null) {
+            return Blocks.STONE_BUTTON.getDefaultState().with(Properties.BLOCK_FACE, BlockFace.FLOOR);
+        }
         return hasModOnClient(context.getPlayer()) ? state : Blocks.STONE_BUTTON.getDefaultState().with(Properties.BLOCK_FACE, BlockFace.FLOOR);
     }
 
@@ -45,6 +51,9 @@ public BlockState getPolymerBreakEventBlockState(BlockState state, PacketContext
 
     @Override
     public boolean canSyncRawToClient(PacketContext context) {
+        if (context == null) {
+            return false;
+        }
         return hasModOnClient(context.getPlayer());
     }
 }
diff --git a/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/SeashellPolymer.java b/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/SeashellPolymer.java
index 46908bd..fb1b171 100644
--- a/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/SeashellPolymer.java
+++ b/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/SeashellPolymer.java
@@ -29,11 +29,17 @@ public BlockState getPolymerBlockState(BlockState state) {
     }
     @Override
     public BlockState getPolymerBlockState(BlockState state, PacketContext context) {
+        if (context==null) {
+            return getPolymerBlockState(state);
+        }
         return hasModOnClient(context.getPlayer()) ? state : getPolymerBlockState(state);
     }
 
     @Override
     public BlockState getPolymerBreakEventBlockState(BlockState state, PacketContext context) {
+        if (context==null) {
+            return Blocks.WHITE_CANDLE.getDefaultState();
+        }
         return hasModOnClient(context.getPlayer()) ? state : Blocks.WHITE_CANDLE.getDefaultState();
     }
 
@@ -44,6 +50,9 @@ public BlockState getPolymerBreakEventBlockState(BlockState state, PacketContext
 
     @Override
     public boolean canSyncRawToClient(PacketContext context) {
+        if (context == null) {
+            return false;
+        }
         return hasModOnClient(context.getPlayer());
     }
 }
diff --git a/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/StarfishPolymer.java b/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/StarfishPolymer.java
index a9ccc76..318b5f9 100644
--- a/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/StarfishPolymer.java
+++ b/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/StarfishPolymer.java
@@ -29,11 +29,17 @@ public BlockState getPolymerBlockState(BlockState state) {
     }
     @Override
     public BlockState getPolymerBlockState(BlockState state, PacketContext context) {
+        if (context==null) {
+            return getPolymerBlockState(state);
+        }
         return hasModOnClient(context.getPlayer()) ? state : getPolymerBlockState(state);
     }
 
     @Override
     public BlockState getPolymerBreakEventBlockState(BlockState state, PacketContext context) {
+        if (context==null) {
+            return Blocks.SEA_PICKLE.getDefaultState();
+        }
         return hasModOnClient(context.getPlayer()) ? state : Blocks.SEA_PICKLE.getDefaultState();
     }
 
@@ -44,6 +50,9 @@ public BlockState getPolymerBreakEventBlockState(BlockState state, PacketContext
 
     @Override
     public boolean canSyncRawToClient(PacketContext context) {
+        if (context == null) {
+            return false;
+        }
         return hasModOnClient(context.getPlayer());
     }
 }
diff --git a/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/StickPolymer.java b/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/StickPolymer.java
index 4f69265..e63e18d 100644
--- a/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/StickPolymer.java
+++ b/src/main/java/eu/midnightdust/motschen/rocks/block/polymer/StickPolymer.java
@@ -30,11 +30,17 @@ public BlockState getPolymerBlockState(BlockState state) {
     }
     @Override
     public BlockState getPolymerBlockState(BlockState state, PacketContext context) {
+        if (context==null) {
+            return getPolymerBlockState(state);
+        }
         return hasModOnClient(context.getPlayer()) ? state : getPolymerBlockState(state);
     }
 
     @Override
     public BlockState getPolymerBreakEventBlockState(BlockState state, PacketContext context) {
+        if (context==null) {
+            return Blocks.OAK_BUTTON.getDefaultState().with(Properties.BLOCK_FACE, BlockFace.FLOOR);
+        }
         return hasModOnClient(context.getPlayer()) ? state : Blocks.OAK_BUTTON.getDefaultState().with(Properties.BLOCK_FACE, BlockFace.FLOOR);
     }
 
@@ -45,6 +51,9 @@ public BlockState getPolymerBreakEventBlockState(BlockState state, PacketContext
 
     @Override
     public boolean canSyncRawToClient(PacketContext context) {
+        if (context==null) {
+            return false;
+        }
         return hasModOnClient(context.getPlayer());
     }
 }