diff --git a/.github/workflows/composites/build-controllers-project/action.yaml b/.github/workflows/composites/build-controllers-project/action.yaml
index df34f3c443..f9df2c519d 100644
--- a/.github/workflows/composites/build-controllers-project/action.yaml
+++ b/.github/workflows/composites/build-controllers-project/action.yaml
@@ -5,6 +5,8 @@ runs:
   steps:
     - name: build controllers project
       shell: bash
+      env:
+        CURRENT_INDEX: ${{ matrix.current_index }}
       run: |
         cd spring-cloud-kubernetes-controllers
         .././mvnw -DCURRENT_INSTANCE=${CURRENT_INDEX} -T 1C -U clean install