diff --git a/src/d_net.cpp b/src/d_net.cpp
index 3f6a97e1d..f479501ec 100644
--- a/src/d_net.cpp
+++ b/src/d_net.cpp
@@ -70,6 +70,7 @@
 #include "a_keys.h"
 #include "intermission/intermission.h"
 #include "g_levellocals.h"
+#include "actorinlines.h"
 #include "events.h"
 #include "i_time.h"
 #include "vm.h"