diff --git a/openair-cn/GTPV1-U/GTPUAH/xt_GTPUAH.h b/openair-cn/GTPV1-U/GTPUAH/xt_GTPUAH.h
index b62de76ee0..b3e7b3482b 100755
--- a/openair-cn/GTPV1-U/GTPUAH/xt_GTPUAH.h
+++ b/openair-cn/GTPV1-U/GTPUAH/xt_GTPUAH.h
@@ -16,10 +16,10 @@ enum xt_gtpuah_mode_
 
 struct xt_gtpuah_target_info
 {
-    u_int32_t laddr;
-    u_int32_t raddr;
-    u_int32_t ltun;
-    u_int32_t rtun;
-    u_int32_t action;
+        u_int32_t laddr   __attribute__((aligned(8)));
+        u_int32_t raddr   __attribute__((aligned(8)));
+        u_int32_t ltun    __attribute__((aligned(8)));
+        u_int32_t rtun    __attribute__((aligned(8)));
+        u_int32_t action  __attribute__((aligned(8)));
 };