diff --git a/cluster/gce/util.sh b/cluster/gce/util.sh
index 32678a1db4c..602e7d124c3 100755
--- a/cluster/gce/util.sh
+++ b/cluster/gce/util.sh
@@ -1263,6 +1263,11 @@ EOF
   if [ -n "${DOCKER_LOG_MAX_FILE:-}" ]; then
       cat >>"$file" <<EOF
 DOCKER_LOG_MAX_FILE: $(yaml-quote "${DOCKER_LOG_MAX_FILE}")
+EOF
+  fi
+  if [ -n "${CLOUD_PROVIDER_FLAG:-}" ]; then
+    cat >>"$file" <<EOF
+CLOUD_PROVIDER_FLAG: $(yaml-quote "${CLOUD_PROVIDER_FLAG}")
 EOF
   fi
   if [ -n "${FEATURE_GATES:-}" ]; then