diff --git a/conway/go/game_of_life.go b/conway/go/game_of_life.go
index de1a424..9df60e9 100644
--- a/conway/go/game_of_life.go
+++ b/conway/go/game_of_life.go
@@ -284,7 +284,7 @@ func (state *GameState) String() string {
 	for y := 0; y < height; y++ {
 		var cells []string
 		for x := 0; x < width; x++ {
-			stringVal := "Φ"
+			stringVal := "■"
 
 			value, err := state.Get(x, y)
 			if err != nil {
@@ -292,7 +292,7 @@ func (state *GameState) String() string {
 			}
 
 			if value == 1 {
-				stringVal = "·"
+				stringVal = "□"
 			}
 			cells = append(cells, stringVal)
 		}