diff --git a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
index 5d85f7620e..fbfa8ca4fe 100644
--- a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
@@ -4218,9 +4218,10 @@ final class ParserImpl implements Parser {
     }
 
     private static final Constraint parseCheckSpecification(ParserContext ctx, ConstraintTypeStep constraint) {
-        parse(ctx, '(');
+        boolean parens = parseIf(ctx, '(');
         Condition condition = parseCondition(ctx);
-        parse(ctx, ')');
+        if (parens)
+            parse(ctx, ')');
 
         ConstraintEnforcementStep e = constraint == null
             ? check(condition)