diff --git a/tests/19-param-OK.asn1.-P b/tests/19-param-OK.asn1.-P
index b98d1ed..c40c439 100644
--- a/tests/19-param-OK.asn1.-P
+++ b/tests/19-param-OK.asn1.-P
@@ -261,7 +261,8 @@
 	
 	if(!sptr) {
 		_ASN_ERRLOG(app_errlog, app_key,
-			"%s: value not given", td->name);
+			"%s: value not given (%s:%d)",
+			td->name, __FILE__, __LINE__);
 		return -1;
 	}
 	
@@ -271,7 +272,8 @@
 		return 0;
 	} else {
 		_ASN_ERRLOG(app_errlog, app_key,
-			"%s: constraint failed", td->name);
+			"%s: constraint failed (%s:%d)",
+			td->name, __FILE__, __LINE__);
 		return -1;
 	}
 }