diff --git a/openair-cn/GTPV1-U/gtpv1u_teid_pool.c b/openair-cn/GTPV1-U/gtpv1u_teid_pool.c
index 7d817cf925..592e4d666e 100644
--- a/openair-cn/GTPV1-U/gtpv1u_teid_pool.c
+++ b/openair-cn/GTPV1-U/gtpv1u_teid_pool.c
@@ -37,7 +37,7 @@
 
 #include "gtpv1u.h"
 
-//#define GTPV1U_LINEAR_TEID_ALLOCATION 1
+#define GTPV1U_LINEAR_TEID_ALLOCATION 1
 
 #ifdef GTPV1U_LINEAR_TEID_ALLOCATION
 static uint32_t g_gtpv1u_teid = 0;