diff --git a/examples/cluster.c b/examples/cluster.c
index 172cab1..18bc7d3 100644
--- a/examples/cluster.c
+++ b/examples/cluster.c
@@ -208,8 +208,8 @@ int main(int argc, char **argv) {
     hexagram_can_if *can_if;
 
     int screen, fd, fd2,
-        width  = 480,
-        height = 224;
+        width  = 1024,
+        height = 480;
 
     XGCValues values = {
         .foreground         = 0x000000,