diff --git a/library/asn1parse.c b/library/asn1parse.c
index 7cd9bf6..79b2901 100644
--- a/library/asn1parse.c
+++ b/library/asn1parse.c
@@ -211,7 +211,7 @@
     if( *p != end )
         return( POLARSSL_ERR_ASN1_LENGTH_MISMATCH );
 
-    return 0;
+    return( 0 );
 }
 
 /*