diff --git a/library/GTPv2_Templates.ttcn b/library/GTPv2_Templates.ttcn
index 6ea06a2cb..4af82e87e 100644
--- a/library/GTPv2_Templates.ttcn
+++ b/library/GTPv2_Templates.ttcn
@@ -969,7 +969,7 @@ template (value) PDU_GTPCv2
 ts_GTP2C_DeleteSessionResp(template (value) OCT4 d_teid,
 			   template (value) OCT3 seq,
 			   template (value) GTP2C_Cause cause) :=
-ts_PDU_GTP2C(d_teid, '000000'O, '25'O, {
+ts_PDU_GTP2C(d_teid, seq, '25'O, {
 	deleteSessionResponse := {
 		cause := ts_GTP2C_Cause(cause, '0'B),
 		recovery := omit,