diff --git a/src/common/fs_mem.cpp b/src/common/fs_mem.cpp
index 054cb609ef..5a1d476cc7 100644
--- a/src/common/fs_mem.cpp
+++ b/src/common/fs_mem.cpp
@@ -21,6 +21,7 @@
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/hash.h"
+    #include "wx/wxcrtvararg.h"
     #if wxUSE_GUI
         #include "wx/bitmap.h"
         #include "wx/image.h"
diff --git a/utils/wxrc/wxrc.cpp b/utils/wxrc/wxrc.cpp
index 5c6a927501..f5ac65295d 100644
--- a/utils/wxrc/wxrc.cpp
+++ b/utils/wxrc/wxrc.cpp
@@ -19,6 +19,7 @@
 #ifndef WX_PRECOMP
     #include "wx/app.h"
     #include "wx/log.h"
+    #include "wx/wxcrtvararg.h"
 #endif
 
 #include "wx/cmdline.h"