diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 07233e65..4382377e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -27,7 +27,7 @@ jobs:
 
       - uses: "./.github/actions/init"
         with:
-          git-user: ${{ GITHUB_ACTOR }}
+          git-user: ${{ env.GITHUB_ACTOR }}
           cache-key: build
 
       - name: Check Feature Contracts Excl.
@@ -47,7 +47,7 @@ jobs:
 
       - uses: "./.github/actions/init"
         with:
-          git-user: ${{ GITHUB_ACTOR }}
+          git-user: ${{ env.GITHUB_ACTOR }}
           cache-key: unit-test
 
       - name: Run unit tests
@@ -61,7 +61,7 @@ jobs:
 
       - uses: "./.github/actions/init"
         with:
-          git-user: ${{ GITHUB_ACTOR }}
+          git-user: ${{ env.GITHUB_ACTOR }}
           cache-key: contract-integration-tests
 
       - name: Run integration tests
@@ -75,7 +75,7 @@ jobs:
 
       - uses: "./.github/actions/init"
         with:
-          git-user: ${{ GITHUB_ACTOR }}
+          git-user: ${{ env.GITHUB_ACTOR }}
           cache-key: parachain-integration-tests
 
       - name: Run integration tests