diff --git a/vpp-japi/japi/vppjni.c b/vpp-japi/japi/vppjni.c
index 5747d9a..6e4d6ee 100644
--- a/vpp-japi/japi/vppjni.c
+++ b/vpp-japi/japi/vppjni.c
@@ -1556,7 +1556,7 @@
     if (!jm->is_ipv6) {
         ipv4_address_t *address = 0;
         vec_add2(jm->ipv4_addresses, address, 1);
-        address->ip = *(u32*)mp->ip;
+        memcpy(&address->ip, mp->ip, 4);
         address->prefix_length = mp->prefix_length;
     } else {
         ipv6_address_t *address = 0;