diff --git a/gprs_gb/BSSGP_Types.ttcn b/gprs_gb/BSSGP_Types.ttcn
index e084b0eb9..c97b78b65 100644
--- a/gprs_gb/BSSGP_Types.ttcn
+++ b/gprs_gb/BSSGP_Types.ttcn
@@ -396,6 +396,7 @@ module BSSGP_Types {
 
 	template BssgpTLV t_BssgpIE(template BssgpIEI iei, template BssgpIeUnion u) := {
 		iei := iei,
+		len := 0,
 		u := u
 	}