diff --git a/singlecell/resources/chunks/PredictTcellActivation.R b/singlecell/resources/chunks/PredictTcellActivation.R
index 41bbb6fc5..5efc2ab7b 100644
--- a/singlecell/resources/chunks/PredictTcellActivation.R
+++ b/singlecell/resources/chunks/PredictTcellActivation.R
@@ -1,3 +1,12 @@
+netRc <- paste0(Sys.getenv('USER_HOME'), '/.netrc')
+if (!file.exists(netRc)) {
+  print(list.files(Sys.getenv('USER_HOME')))
+  stop(paste0('Unable to find file: ', netRc))
+}
+
+invisible(Rlabkey::labkey.setCurlOptions(NETRC_FILE = netRc))
+Rdiscvr::SetLabKeyDefaults(baseUrl = serverBaseUrl, defaultFolder = defaultLabKeyFolder)
+
 for (datasetId in names(seuratObjects)) {
   printName(datasetId)
   seuratObj <- readSeuratRDS(seuratObjects[[datasetId]])