diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2ad8add..ad415b3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
         id: datasets
         working-directory: qadb
         run: |
-          echo datasets=(ls -d pass*/* | jq -Rcs '{"dataset": split("\n")[:-1]}') >> $GITHUB_OUTPUT
+          echo datasets=$(ls -d pass*/* | jq -Rcs '{"dataset": split("\n")[:-1]}') >> $GITHUB_OUTPUT
 
   # check consistency between Groovy and C++ APIs
   groovy_vs_cpp: