diff --git a/src/i830_xf86Crtc.c b/src/i830_xf86Crtc.c
index 3a592e50..448d4f94 100644
--- a/src/i830_xf86Crtc.c
+++ b/src/i830_xf86Crtc.c
@@ -32,6 +32,7 @@
 
 #include "xf86.h"
 #include "xf86DDC.h"
+#include "i830.h"
 #include "i830_xf86Crtc.h"
 #include "X11/extensions/render.h"