diff --git a/main_form.cs b/main_form.cs
index b5fb2a8..2ea720e 100644
--- a/main_form.cs
+++ b/main_form.cs
@@ -275,6 +275,11 @@ namespace KRY_0x01_ng
         {
             /* check key button */
             bool cool = check_key(textBox1);
+            if (!cool)
+            {
+                return;
+            }
+            fill_array_table();
         }
     }
 }