diff --git a/controllers/flinkcluster_config_init_script.go b/controllers/flinkcluster_config_init_script.go
index 6ea2e2f3..0865d1a5 100644
--- a/controllers/flinkcluster_config_init_script.go
+++ b/controllers/flinkcluster_config_init_script.go
@@ -34,6 +34,10 @@ function init_config() {
   cp -R "${config_dir}/." "${output_dir}"
 
   for file in "${config_secret_dir}"/*; do
+    if [[ ! -f "${file}" ]]; then
+      continue
+    fi
+
     local key
     local value
     key=$(basename "${file}")