diff --git a/.github/workflows/machine-images.yml b/.github/workflows/machine-images.yml
index e025ef155317..a8fe4732bf8f 100644
--- a/.github/workflows/machine-images.yml
+++ b/.github/workflows/machine-images.yml
@@ -6,7 +6,7 @@ on:
       - main
 
 env:
-  MANIFEST_ADD_ARGS: "--artifact --artifact-type="" --artifact-config-type="application/vnd.oci.image.config.v1+json" --artifact-layer-type=application/vnd.oci.image.layer.v1.tar --os=linux --arch=x86_64"
+  MANIFEST_ADD_ARGS: --artifact --artifact-type="" --artifact-config-type="application/vnd.oci.image.config.v1+json" --artifact-layer-type=application/vnd.oci.image.layer.v1.tar --os=linux --arch=x86_64
 
 defaults:
   run: