diff --git a/.github/main.workflow b/.github/main.workflow
index 84fd58f..416dd98 100644
--- a/.github/main.workflow
+++ b/.github/main.workflow
@@ -36,7 +36,7 @@ action "push images" {
   uses = "actions/docker/cli@master"
   runs = "sh -c"
   env = {
-    IMAGE_NAME = gcr.io/kubernetes1-226021/capd-manager
+    IMAGE_NAME = "gcr.io/kubernetes1-226021/capd-manager"
   }
   args = "source $HOME/.profile && docker push $IMAGE_NAME:latest && docker push $IMAGE_NAME:$IMAGE_REF && docker push $IMAGE_NAME:$IMAGE_SHA && docker push $IMAGE_NAME:$IMAGE_VERSION"
   needs = ["tag images", "Set Credential Helper for Docker"]