diff --git a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
index 017d80cb8b..7f76778038 100644
--- a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
@@ -6426,8 +6426,8 @@ final class DefaultParseContext extends AbstractScope implements ParseContext {
             // [#12691] Some dialects support A IN B syntax without parentheses for single element in lists
             if (isField && !peek('(')) {
                 result = not
-                    ? ((Field) left).notIn(parseField())
-                    : ((Field) left).in(parseField());
+                    ? ((Field) left).notIn(parseConcat())
+                    : ((Field) left).in(parseConcat());
             }
             else {
                 parse('(');