1 files changed, 1 insertions, 1 deletions
diff --git a/demos/cube.c b/demos/cube.c
index c6d7d79c..17617e5e 100644
--- a/demos/cube.c
+++ b/demos/cube.c
@@ -2947,7 +2947,7 @@ static void demo_init_connection(struct demo *demo) {
     int scr;
 
     demo->connection = xcb_connect(NULL, &scr);
-    if (demo->connection == NULL) {
+    if (xcb_connection_has_error(demo->connection) > 0) {
         printf("Cannot find a compatible Vulkan installable client driver "
                "(ICD).\nExiting ...\n");
         fflush(stdout);