diff --git a/.github/workflows/gnovm.yml b/.github/workflows/gnovm.yml
index 0e4919eca2b..30c1aa44338 100644
--- a/.github/workflows/gnovm.yml
+++ b/.github/workflows/gnovm.yml
@@ -111,9 +111,12 @@ jobs:
       - name: Merge coverages
         working-directory: ${{ env.COVERAGE_DATA }}
         run: |
+          ls
           # create coverage directory list separate by coma.
           export COVERAGE_DIRS="$(ls -m | tr -d ' ')"
 
+          echo $COVERAGE_DIRS
+
           # merge all directory coverages
           go tool covdata merge -i="$COVERAGE_DIRS" -o $COVERAGE_OUTPUT