diff --git a/.github/workflows/compare-layouts.yml b/.github/workflows/compare-layouts.yml
index 8597461..75bbe73 100644
--- a/.github/workflows/compare-layouts.yml
+++ b/.github/workflows/compare-layouts.yml
@@ -131,7 +131,7 @@ jobs:
               {name: "ExoCapsule", address: $capsule}] | map(select(.address != ""))')
 
           echo "Matrix: $matrix"
-          echo "matrix=$matrix" >> "${GITHUB_OUTPUT}"
+          echo "matrix=$(echo $matrix | jq -c .)" >> "${GITHUB_OUTPUT}"
 
   fetch-deployed-layouts:
     timeout-minutes: 30