diff --git a/src/gtk/dataobj.cpp b/src/gtk/dataobj.cpp
index e0d6d37609..ca8fb4dbd6 100644
--- a/src/gtk/dataobj.cpp
+++ b/src/gtk/dataobj.cpp
@@ -16,6 +16,7 @@
 #include "wx/debug.h"
 #include "wx/mstream.h"
 #include "wx/image.h"
+#include "wx/log.h"
 
 #include <gdk/gdk.h>
 
diff --git a/src/gtk1/dataobj.cpp b/src/gtk1/dataobj.cpp
index e0d6d37609..ca8fb4dbd6 100644
--- a/src/gtk1/dataobj.cpp
+++ b/src/gtk1/dataobj.cpp
@@ -16,6 +16,7 @@
 #include "wx/debug.h"
 #include "wx/mstream.h"
 #include "wx/image.h"
+#include "wx/log.h"
 
 #include <gdk/gdk.h>