diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp
index 289f2653c8..25483b1ee3 100644
--- a/src/gtk/bitmap.cpp
+++ b/src/gtk/bitmap.cpp
@@ -23,6 +23,7 @@
 #include "wx/image.h"
 #include "wx/dcmemory.h"
 #include "wx/app.h"
+#include "wx/rawbmp.h"
 
 #ifdef __WXGTK20__
     // need this to get gdk_image_new_bitmap()
diff --git a/src/gtk1/bitmap.cpp b/src/gtk1/bitmap.cpp
index 289f2653c8..25483b1ee3 100644
--- a/src/gtk1/bitmap.cpp
+++ b/src/gtk1/bitmap.cpp
@@ -23,6 +23,7 @@
 #include "wx/image.h"
 #include "wx/dcmemory.h"
 #include "wx/app.h"
+#include "wx/rawbmp.h"
 
 #ifdef __WXGTK20__
     // need this to get gdk_image_new_bitmap()