diff --git a/src/osd/sdl/sdlmain.cpp b/src/osd/sdl/sdlmain.cpp
index e866cce5dac..8f0bc4c5950 100644
--- a/src/osd/sdl/sdlmain.cpp
+++ b/src/osd/sdl/sdlmain.cpp
@@ -44,6 +44,7 @@
 #include "video.h"
 #include "osdsdl.h"
 #include "modules/lib/osdlib.h"
+#include "modules/diagnostics/diagnostics_module.h"
 
 // we override SDL's normal startup on Win32
 // please see sdlprefix.h as well
diff --git a/src/osd/windows/winmain.cpp b/src/osd/windows/winmain.cpp
index 647c39831a8..115d33395db 100644
--- a/src/osd/windows/winmain.cpp
+++ b/src/osd/windows/winmain.cpp
@@ -29,6 +29,7 @@
 #include "winutf8.h"
 #include "winutil.h"
 #include "winfile.h"
+#include "modules/diagnostics/diagnostics_module.h"
 
 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
 using namespace Windows::ApplicationModel;