diff --git a/.github/workflows/test-gpu.yaml b/.github/workflows/test-gpu.yaml
index 3cfc00d66..a59a3e061 100644
--- a/.github/workflows/test-gpu.yaml
+++ b/.github/workflows/test-gpu.yaml
@@ -63,3 +63,4 @@ jobs:
           NCCL_DEBUG: info
           NCCL_P2P_LEVEL: LOC
           NCCL_NET: Socket
+          NCCL_P2P_DIRECT_DISABLE: 1