diff --git a/library/RLCMAC_CSN1_Types.ttcn b/library/RLCMAC_CSN1_Types.ttcn
index 20c2d81..a14577a 100644
--- a/library/RLCMAC_CSN1_Types.ttcn
+++ b/library/RLCMAC_CSN1_Types.ttcn
@@ -757,9 +757,7 @@
 		uint4_t			ma_freq_len,
 		octetstring		m1_freq_list
 	} with {
-		/* FIXME: this can not be expressed in TTCN-3 ?!? */
-		//variant (ma_freq_len) "LENGTHTO(m1_freq_list)+3"
-		variant (ma_freq_len) "LENGTHTO(m1_freq_list)"
+		variant (ma_freq_len) "LENGTHTO(m1_freq_list)+3"
 	};
 	type record FrequencyParameters {
 		uint3_t			tsc,
@@ -801,9 +799,7 @@
 		variant (rfl_number_list) "PRESENCE(rfl_number_list_present = '1'B)"
 		variant (ma_length) "PRESENCE(ma_present = '0'B)"
 		variant (ma_bitmap) "PRESENCE(ma_present = '0'B)"
-		/* FIXME: this can not be expressed in TTCN-3 ?!? */
-		//variant (ma_length) "LENGTHTO(ma_bitmap)+1"
-		variant (ma_length) "LENGTHTO(ma_bitmap)"
+		variant (ma_length) "LENGTHTO(ma_bitmap)+1"
 	}
 
 	/* 12.11 Packet Request Reference */