diff --git a/Xext/dpms.c b/Xext/dpms.c
index 24df1dd9e..442d18442 100644
--- a/Xext/dpms.c
+++ b/Xext/dpms.c
@@ -32,6 +32,9 @@ Equipment Corporation.
 
 #include <X11/X.h>
 #include <X11/Xproto.h>
+
+#include "Xext/geext.h"
+
 #include "misc.h"
 #include "os.h"
 #include "dixstruct.h"