diff --git a/src/backend/Simulator.java b/src/backend/Simulator.java
index 9774cd3..e567976 100644
--- a/src/backend/Simulator.java
+++ b/src/backend/Simulator.java
@@ -51,7 +51,7 @@ public class Simulator extends Thread {
 
 	public int getWidth() {
 		//TODO : replace with proper return
-		return 0;
+		return COL_NUM;
 	}
 
 	public int getHeight() {