diff --git a/.github/workflows/rules.yml b/.github/workflows/rules.yml
index c0f2917..d1c0632 100644
--- a/.github/workflows/rules.yml
+++ b/.github/workflows/rules.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   build:
-    if: contains(github.event.pull_request.labels.*.name, 'run-workflow') || github.event_name == 'push'
+    if: contains(github.event.pull_request.labels.*.name, 'run-workflow') || github.event_name == 'push' && {{ $CUDA_PATH != '' }}
     strategy:
       matrix:
         os: [ubuntu-latest]