diff --git a/.github/workflows/compatibility_test.yml b/.github/workflows/compatibility_test.yml
index a6e8f5ea6..acc84edbe 100644
--- a/.github/workflows/compatibility_test.yml
+++ b/.github/workflows/compatibility_test.yml
@@ -67,3 +67,4 @@ jobs:
           PYTHONPATH=$PWD pytest tests
         env:
           DATA: /data/scratch/cifar-10
+          NCCL_SHM_DISABLE: 1