diff --git a/src/main/java/ruscz/game/gameOfProd/Dialog/Dialog.java b/src/main/java/ruscz/game/gameOfProd/Dialog/Dialog.java
index 977559c..69fb500 100644
--- a/src/main/java/ruscz/game/gameOfProd/Dialog/Dialog.java
+++ b/src/main/java/ruscz/game/gameOfProd/Dialog/Dialog.java
@@ -60,6 +60,8 @@ public class Dialog {
     }
 
     private void showByChar() {
+        if (charNumber >= textLength)
+            return;
         String string = text.substring(0, charNumber);
         JLabel textToShow = prepareDialogBar(string);
         if (dialogBar.getComponentCount() != 0)