diff --git a/querydsl-sql/src/main/java/com/mysema/query/sql/SQLSerializer.java b/querydsl-sql/src/main/java/com/mysema/query/sql/SQLSerializer.java
index 91c175ce4..2e9906b6f 100644
--- a/querydsl-sql/src/main/java/com/mysema/query/sql/SQLSerializer.java
+++ b/querydsl-sql/src/main/java/com/mysema/query/sql/SQLSerializer.java
@@ -826,7 +826,8 @@ public class SQLSerializer extends SerializerBase<SQLSerializer> {
 
     @Override
     public Void visit(TemplateExpression<?> expr, Void context) {
-        if (inJoin && templates.isFunctionJoinsWrapped()) {
+        if (inJoin && expr instanceof RelationalFunctionCall
+                && templates.isFunctionJoinsWrapped()) {
             append("table(");
             super.visit(expr, context);
             append(")");