diff --git a/hw/xwayland/xwayland-xtest.c b/hw/xwayland/xwayland-xtest.c
index e4a297ab5..89de93afc 100644
--- a/hw/xwayland/xwayland-xtest.c
+++ b/hw/xwayland/xwayland-xtest.c
@@ -29,6 +29,7 @@
 #include <inpututils.h>
 #include <libgen.h>
 #include <unistd.h>
+#include <errno.h>
 
 #include <libei.h>