diff --git a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
index d19f7a23aa..0b117696f1 100644
--- a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
@@ -3753,6 +3753,9 @@ final class ParserImpl implements Parser {
 
             ;
 
+        if (parseIf(ctx, '('))
+            throw ctx.exception("Unknown function");
+
         while (parseIf(ctx, "::"))
             r = cast(toField(ctx, r), parseDataType(ctx));