diff --git a/.github/workflows/Test_installation_assistant.yml b/.github/workflows/Test_installation_assistant.yml
index eccb38f..f39b615 100644
--- a/.github/workflows/Test_installation_assistant.yml
+++ b/.github/workflows/Test_installation_assistant.yml
@@ -108,7 +108,7 @@ jobs:
             ;;
         esac
         echo "${{ env.COMPOSITE_NAME }}"
-        COMPOSITE_NAME="${env.COMPOSITE_NAME/SUBNAME/$SUBNAME }"
+        COMPOSITE_NAME="${COMPOSITE_NAME/SUBNAME/$SUBNAME }"
         echo "COMPOSITE_NAME=$COMPOSITE_NAME" >> $GITHUB_ENV
         echo "${{ env.COMPOSITE_NAME }}"