diff --git a/src/network/network_udp.cpp b/src/network/network_udp.cpp
--- a/src/network/network_udp.cpp
+++ b/src/network/network_udp.cpp
@@ -34,6 +34,8 @@
 
 #include "core/udp.h"
 
+#include "../safeguards.h"
+
 /** Mutex for all out threaded udp resolution and such. */
 static ThreadMutex *_network_udp_mutex = ThreadMutex::New();