diff --git a/openair2/F1AP/f1ap_du_task.c b/openair2/F1AP/f1ap_du_task.c
index 6c4f8c3be6..d221d3b35c 100644
--- a/openair2/F1AP/f1ap_du_task.c
+++ b/openair2/F1AP/f1ap_du_task.c
@@ -142,7 +142,7 @@ void *F1AP_DU_task(void *arg) {
         createF1inst(myInstance, msgSetup, nc);
         du_task_send_sctp_association_req(myInstance, nc);
         instance_t gtpInst = du_create_gtpu_instance_to_cu(nc);
-        AssertFatal(gtpInst != 0, "cannot create DU F1-U GTP module\n");
+        AssertFatal(gtpInst > 0, "cannot create DU F1-U GTP module\n");
         getCxt(myInstance)->gtpInst = gtpInst;
         DUuniqInstance = gtpInst;
       } break;