diff --git a/src/main/java/com/alibaba/druid/sql/parser/SQLStatementParser.java b/src/main/java/com/alibaba/druid/sql/parser/SQLStatementParser.java
index 29f17f4659..1c45f572d6 100644
--- a/src/main/java/com/alibaba/druid/sql/parser/SQLStatementParser.java
+++ b/src/main/java/com/alibaba/druid/sql/parser/SQLStatementParser.java
@@ -3575,6 +3575,7 @@ public class SQLStatementParser extends SQLParser {
                             if (name != null) {
                                 key.setName(name);
                             }
+                            key.setParent(stmt);
                             stmt.getTableElementList().add(key);
                         }
                         continue;