diff --git a/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java b/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
index 171380f74b..5f62babd92 100644
--- a/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
+++ b/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
@@ -628,7 +628,7 @@ public class SQLExprParser extends SQLParser {
                 break;
             case TILDE:
                 lexer.nextToken();
-                SQLExpr unaryValueExpr = expr();
+                SQLExpr unaryValueExpr = primary();
                 SQLUnaryExpr unary = new SQLUnaryExpr(SQLUnaryOperator.Compl, unaryValueExpr);
                 sqlExpr = unary;
                 break;