diff --git a/.github/workflows/images_build.yml b/.github/workflows/images_build.yml
index 8a0b7ccf7..bcfbfb893 100644
--- a/.github/workflows/images_build.yml
+++ b/.github/workflows/images_build.yml
@@ -48,8 +48,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 1
-	  sparse-checkout: |
-           ${{ env.MATRIX_FILE }}
+	  sparse-checkout: ${{ env.MATRIX_FILE }}
 
       - name: Check build.json file
         id: build_exists