diff --git a/hw/xwayland/xwayland-output.c b/hw/xwayland/xwayland-output.c
index afc416560..661e1828d 100644
--- a/hw/xwayland/xwayland-output.c
+++ b/hw/xwayland/xwayland-output.c
@@ -815,7 +815,7 @@ xwl_output_create(struct xwl_screen *xwl_screen, uint32_t id,
                   Bool with_xrandr, uint32_t version)
 {
     struct xwl_output *xwl_output;
-    char name[MAX_OUTPUT_NAME];
+    char name[MAX_OUTPUT_NAME] = { '\0', };
 
     xwl_output = calloc(1, sizeof *xwl_output);
     if (xwl_output == NULL) {