diff --git a/regression-test/suites/export/test_array_export.groovy b/regression-test/suites/export/test_array_export.groovy
index 5fa96deb1e..4186ee21d9 100644
--- a/regression-test/suites/export/test_array_export.groovy
+++ b/regression-test/suites/export/test_array_export.groovy
@@ -174,7 +174,7 @@ suite("test_array_export", "export") {
         result = sql """
             SELECT * FROM ${tableName} t ORDER BY k1 INTO OUTFILE "file://${outFile}/";
         """
-        url = result[0][3]
+        def url = result[0][3]
         urlHost = url.substring(8, url.indexOf("${outFile}"))
         if (backends.size() > 1) {
             // custer will scp files