diff --git a/sys/net/gnrc/sock/gnrc_sock.c b/sys/net/gnrc/sock/gnrc_sock.c
index feaf829e07..92c375b8c1 100644
--- a/sys/net/gnrc/sock/gnrc_sock.c
+++ b/sys/net/gnrc/sock/gnrc_sock.c
@@ -58,7 +58,7 @@ static void _netapi_cb(uint16_t cmd, gnrc_pktsnip_t *pkt, void *ctx)
                         (void *)&reg->mbox);
         }
         if (reg->async_cb.generic) {
-            reg->async_cb.generic(reg, SOCK_ASYNC_MSG_RECV, NULL);
+            reg->async_cb.generic(reg, SOCK_ASYNC_MSG_RECV, reg->async_cb_arg);
         }
     }
 }
diff --git a/sys/net/gnrc/sock/include/sock_types.h b/sys/net/gnrc/sock/include/sock_types.h
index d5488b5765..2cd52987f5 100644
--- a/sys/net/gnrc/sock/include/sock_types.h
+++ b/sys/net/gnrc/sock/include/sock_types.h
@@ -87,6 +87,7 @@ struct gnrc_sock_reg {
         sock_udp_cb_t udp;              /**< UDP version */
 #endif
     } async_cb;
+    void *async_cb_arg;                 /**< asynchronous callback argument */
 #ifdef SOCK_HAS_ASYNC_CTX
     sock_async_ctx_t async_ctx;         /**< asynchronous event context */
 #endif
diff --git a/sys/net/gnrc/sock/ip/gnrc_sock_ip.c b/sys/net/gnrc/sock/ip/gnrc_sock_ip.c
index eec36d90d6..3877acc62d 100644
--- a/sys/net/gnrc/sock/ip/gnrc_sock_ip.c
+++ b/sys/net/gnrc/sock/ip/gnrc_sock_ip.c
@@ -198,7 +198,7 @@ ssize_t sock_ip_send(sock_ip_t *sock, const void *data, size_t len,
 #ifdef SOCK_HAS_ASYNC
     if ((sock != NULL) && (sock->reg.async_cb.ip)) {
         sock->reg.async_cb.ip(sock, SOCK_ASYNC_MSG_SENT,
-                              NULL);
+                              sock->reg.async_cb_arg);
     }
 #endif  /* SOCK_HAS_ASYNC */
     return res;
@@ -207,7 +207,7 @@ ssize_t sock_ip_send(sock_ip_t *sock, const void *data, size_t len,
 #ifdef SOCK_HAS_ASYNC
 void sock_ip_set_cb(sock_ip_t *sock, sock_ip_cb_t cb, void *arg)
 {
-    (void)arg;
+    sock->reg.async_cb_arg = arg;
     sock->reg.async_cb.ip = cb;
 }
 
diff --git a/sys/net/gnrc/sock/udp/gnrc_sock_udp.c b/sys/net/gnrc/sock/udp/gnrc_sock_udp.c
index b42f896a7f..31655b6274 100644
--- a/sys/net/gnrc/sock/udp/gnrc_sock_udp.c
+++ b/sys/net/gnrc/sock/udp/gnrc_sock_udp.c
@@ -320,7 +320,7 @@ ssize_t sock_udp_send(sock_udp_t *sock, const void *data, size_t len,
 #ifdef SOCK_HAS_ASYNC
     if ((sock != NULL) && (sock->reg.async_cb.udp)) {
         sock->reg.async_cb.udp(sock, SOCK_ASYNC_MSG_SENT,
-                               NULL);
+                               sock->reg.async_cb_arg);
     }
 #endif  /* SOCK_HAS_ASYNC */
     return res;
@@ -329,7 +329,7 @@ ssize_t sock_udp_send(sock_udp_t *sock, const void *data, size_t len,
 #ifdef SOCK_HAS_ASYNC
 void sock_udp_set_cb(sock_udp_t *sock, sock_udp_cb_t cb, void *arg)
 {
-    (void)arg;
+    sock->reg.async_cb_arg = arg;
     sock->reg.async_cb.udp = cb;
 }