diff --git a/SConstruct b/SConstruct
index 57147688f..e010ac515 100644
--- a/SConstruct
+++ b/SConstruct
@@ -1809,6 +1809,7 @@ class DXXArchive(DXXCommon):
 '3d/points.cpp',
 '3d/rod.cpp',
 '3d/setup.cpp',
+'arch/sdl/event.cpp',
 'arch/sdl/joy.cpp',
 'arch/sdl/key.cpp',
 'arch/sdl/mouse.cpp',
@@ -1974,7 +1975,6 @@ class DXXProgram(DXXCommon):
 '3d/interp.cpp',
 'arch/sdl/digi.cpp',
 'arch/sdl/digi_audio.cpp',
-'arch/sdl/event.cpp',
 'arch/sdl/init.cpp',
 'main/ai.cpp',
 'main/aipath.cpp',
diff --git a/similar/arch/sdl/event.cpp b/common/arch/sdl/event.cpp
similarity index 99%
rename from similar/arch/sdl/event.cpp
rename to common/arch/sdl/event.cpp
index ecf350ba1..8d9e855e9 100644
--- a/similar/arch/sdl/event.cpp
+++ b/common/arch/sdl/event.cpp
@@ -19,6 +19,7 @@
 #include "window.h"
 #include "timer.h"
 #include "config.h"
+#include "inferno.h"
 
 #include "joy.h"
 #include "args.h"