diff --git a/.github/workflows/build-env-image.yml b/.github/workflows/build-env-image.yml
index 30653cbf..dc34c583 100644
--- a/.github/workflows/build-env-image.yml
+++ b/.github/workflows/build-env-image.yml
@@ -79,7 +79,7 @@ jobs:
           buildah bud \
             --arch="${arch}" \
             --iidfile="${iidfile}" \
-            --build-arg=base_image="$base_image" \
+            --build-arg=base_image="$base_image"
           image_id="$( cat "${iidfile}" )"
           rm "${iidfile}"