diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3328625b..90e6d991 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,6 +12,8 @@ jobs:
       matrix:
         version: [2019.2.11f1, 2018.4.13f1]
         target: [webgl, android]
+    container:
+      options: --build-arg IMAGE_TARGET_ARG=a_value
     steps:
       # Checkout repository (required to test local actions)
       - name: Checkout repository
@@ -26,8 +28,6 @@ jobs:
       # Configure builder
       - name: Build project
         id: buildStep
-        container:
-          options: --build-arg IMAGE_TARGET_ARG=a_value
         uses: ./
         env:
           IMAGE_VERSION: ${{ matrix.version }}