diff --git a/main.go b/main.go
index e807145..af4ffd4 100644
--- a/main.go
+++ b/main.go
@@ -175,7 +175,7 @@ func main() {
 	gc := make(chan *Grid, 10)
 	if text {
 		go func() {
-			buf := make([]byte, (size*size)+size*6)
+			var buf [size * (size + 6)]byte
 			for {
 				buf[0] = '+'
 				c := 1
@@ -212,7 +212,7 @@ func main() {
 				buf[c] = '+'
 				c++
 				buf[c] = '\n'
-				fmt.Printf("\r%s", string(buf))
+				fmt.Printf("\r%s", string(buf[:]))
 			}
 		}()
 	} else {