diff --git a/lib/asn1/parse.y b/lib/asn1/parse.y
index b9b357e29..004a87248 100644
--- a/lib/asn1/parse.y
+++ b/lib/asn1/parse.y
@@ -537,8 +537,10 @@ Constraint	: '(' ConstraintSpec ')'
 		{
 		    $$ = $2;
 		}
+		;
 
 ConstraintSpec	: GeneralConstraint
+		;
 
 GeneralConstraint: ContentsConstraint
 		| UserDefinedConstraint