diff --git a/linux/cuda_info.bsh b/linux/cuda_info.bsh
index 904fc678..8daa23bf 100644
--- a/linux/cuda_info.bsh
+++ b/linux/cuda_info.bsh
@@ -1135,7 +1135,7 @@ function tcnn_cuda_architectures_from_cmake()
   result=($(sort -u <<< ${result[*]+"${result[*]}"}))
 
   # output
-  IFS=' '
+  IFS=','
   echo -n ${result[*]+"${result[*]}"}
 }