diff --git a/library/GSM_RR_Types.ttcn b/library/GSM_RR_Types.ttcn
index f7b00e1..f45784c 100644
--- a/library/GSM_RR_Types.ttcn
+++ b/library/GSM_RR_Types.ttcn
@@ -650,8 +650,7 @@
 		NcellReports	ncell_reports optional
 	} with { variant (no_ncell_m) "LENGTHTO(ncell_reports)"
 		 variant (no_ncell_m) "UNIT(elements)"
-		 variant "PADDING(yes)"
-		 variant "FIELDLENGTH(16)"
+		 /* FIXME: pad to 16 octets */
 	};
 
 	type record NcellReport {