diff --git a/gfx/src/gtk/nsRenderingContextGTK.h b/gfx/src/gtk/nsRenderingContextGTK.h
index 5a302fa6ccc..708a4b384b0 100644
--- a/gfx/src/gtk/nsRenderingContextGTK.h
+++ b/gfx/src/gtk/nsRenderingContextGTK.h
@@ -44,6 +44,14 @@
 
 #define USE_NATIVE_TILING 1
 
+#ifndef GTK_CHECK_VERSION
+#define GTK_CHECK_VERSION(major,minor,micro)    \
+    (GTK_MAJOR_VERSION > (major) || \
+     (GTK_MAJOR_VERSION == (major) && GTK_MINOR_VERSION > (minor)) || \   
+     (GTK_MAJOR_VERSION == (major) && GTK_MINOR_VERSION == (minor) && \
+      GTK_MICRO_VERSION >= (micro)))
+#endif
+
 class nsFontGTK;
 
 class nsRenderingContextGTK : public nsRenderingContextImpl
@@ -243,7 +251,7 @@ private:
   GdkFunction            mFunction;
   GdkLineStyle           mLineStyle;
  // gtk+ 1.2.7 introduces an incompatible API change
-#if defined(GTK_CHECK_VERSION) && GTK_CHECK_VERSION(1,2,7)
+#if GTK_CHECK_VERSION(1,2,7)
   gint8                  mDashList[2];
 #else
   gchar                  mDashList[2];