diff --git a/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java b/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java
index 9b8669bce4..2310b78b34 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java
@@ -1250,7 +1250,7 @@ public class OracleOutputVisitor extends SQLASTOutputVisitor implements OracleAS
 
                 print0(ucase ? "RENAME " : "rename ");
                 x.getName().accept(this);
-                print0(ucase ? " TO " : "to ");
+                print0(ucase ? " TO " : " to ");
                 to.accept(this);
                 return false;
             }