diff --git a/Xext/panoramiX.c b/Xext/panoramiX.c
index 6bba23a02..b44953aa4 100644
--- a/Xext/panoramiX.c
+++ b/Xext/panoramiX.c
@@ -39,6 +39,7 @@ Equipment Corporation.
 #include "dix/screenint_priv.h"
 #include "dix/server_priv.h"
 #include "miext/extinit_priv.h"
+#include "os/osdep.h"
 #include "Xext/panoramiX.h"
 #include "Xext/panoramiXsrv.h"