diff --git a/hw/xwin/winerror.c b/hw/xwin/winerror.c
index bbf302b67c..0198daeeda 100644
--- a/hw/xwin/winerror.c
+++ b/hw/xwin/winerror.c
@@ -32,6 +32,7 @@
 #include <xwin-config.h>
 #endif
 
+#include "os/ddx_priv.h"
 #include "os/log_priv.h"
 #include "os/osdep.h"