diff --git a/src/g_shared/a_action.cpp b/src/g_shared/a_action.cpp
index 83b2f3968b..5ad79e8e63 100644
--- a/src/g_shared/a_action.cpp
+++ b/src/g_shared/a_action.cpp
@@ -30,6 +30,7 @@
 #include "p_enemy.h"
 #include "serializer.h"
 #include "vm.h"
+#include "actorinlines.h"
 
 //----------------------------------------------------------------------------
 //
diff --git a/src/r_utility.cpp b/src/r_utility.cpp
index a37b61259d..52d9a4bd44 100644
--- a/src/r_utility.cpp
+++ b/src/r_utility.cpp
@@ -61,6 +61,7 @@
 #include "sbar.h"
 #include "vm.h"
 #include "i_time.h"
+#include "actorinlines.h"
 
 
 // EXTERNAL DATA DECLARATIONS ----------------------------------------------