diff --git a/src/cairo-fixed-private.h b/src/cairo-fixed-private.h
index 352ca39d0..e970c0ff9 100644
--- a/src/cairo-fixed-private.h
+++ b/src/cairo-fixed-private.h
@@ -40,6 +40,7 @@
 #include "cairo-fixed-type-private.h"
 
 #include "cairo-wideint-private.h"
+#include "cairoint.h"
 
 /* Implementation */