diff --git a/pkg/lwip/contrib/sock/lwip_sock.c b/pkg/lwip/contrib/sock/lwip_sock.c
index db47c6b514..ea1e82091f 100644
--- a/pkg/lwip/contrib/sock/lwip_sock.c
+++ b/pkg/lwip/contrib/sock/lwip_sock.c
@@ -13,6 +13,9 @@
  * @author  Martine Lenders <mlenders@inf.fu-berlin.de>
  */
 
+#include <assert.h>
+#include <stdio.h>
+
 #include "lwip/sock_internal.h"
 
 #include "net/af.h"
@@ -349,9 +352,6 @@ static int _create(int type, int proto, uint16_t flags, struct netconn **out)
     return 0;
 }
 
-#include <assert.h>
-#include <stdio.h>
-
 int lwip_sock_create(struct netconn **conn, const struct _sock_tl_ep *local,
                      const struct _sock_tl_ep *remote, int proto,
                      uint16_t flags, int type)