diff --git a/config.cs b/config.cs
index 5546325..e786d3c 100644
--- a/config.cs
+++ b/config.cs
@@ -3,5 +3,6 @@ namespace pwt_0x01_ng
 	public static class config
 	{
 		public static int min_passwd_length = 2;
+		public static int min_passwd_unique_chars = 1;
 	}
 }
\ No newline at end of file