diff --git a/sysinfo/GSM_SystemInformation.ttcn b/sysinfo/GSM_SystemInformation.ttcn
index 8001dd9..74852d4 100644
--- a/sysinfo/GSM_SystemInformation.ttcn
+++ b/sysinfo/GSM_SystemInformation.ttcn
@@ -142,7 +142,7 @@
 		LocationAreaIdentification	lai,
 		CellSelectionParameters		cell_sel_par,
 		RachControlParameters		rach_control,
-		ChannelDescription		cbch_chan_desc optional,
+		ChannelDescriptionTV		cbch_chan_desc optional,
 		MobileAllocationT		cbch_mobile_alloc optional,
 		RestOctets			rest_octets
 	} with { variant "TAG(cbch_chan_desc, iei = '64'O; cbch_mobile_alloc, iei = '72'O)" };