diff --git a/.github/workflows/trigger.yaml b/.github/workflows/trigger.yaml
index 67892e1..1457d26 100644
--- a/.github/workflows/trigger.yaml
+++ b/.github/workflows/trigger.yaml
@@ -23,6 +23,7 @@ jobs:
 
   build:
     needs: [ changed-files ]
+    if: needs.changed-files.outputs.matrix != '[]'
     runs-on: ubuntu-latest
     strategy:
       matrix: