diff --git a/.drone.yml b/.drone.yml
index 1b5efed..9b90842 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -60,7 +60,7 @@ steps:
     - export ARGO_APP_HOSTNAME="${DRONE_BRANCH}-dev.badhouseplants.net"
     - export ARGO_APP_IMAGE_TAG=$DRONE_COMMIT_SHA
     - kubectl get -f ./kube/applicationset.yaml -o yaml  > /tmp/old_appset.yaml
-    - yq 'del(.spec.generators[].list.elements[] | select(.name == "$ARGO_APP_BRANCH"))' /tmp/old_appset.yaml > /tmp/clean_appset.yaml
+    - yq "del(.spec.generators[].list.elements[] | select(.name == \"$ARGO_APP_BRANCH\"))" /tmp/old_appset.yaml > /tmp/clean_appset.yaml
     - envsubst  < ./kube/template.yaml > /tmp/elements.yaml
     - yq '.spec.generators[].list.elements += load("/tmp/elements.yaml")' /tmp/clean_appset.yaml > /tmp/new_appset.yaml
     - kubectl apply -f /tmp/new_appset.yaml