diff --git a/MPW.rb b/MPW.rb
index dde5db3..d08cde0 100644
--- a/MPW.rb
+++ b/MPW.rb
@@ -324,7 +324,7 @@ class MPW
 					return false
 				end
 			end
-			@data << data_new
+			@data << data_new.force_encoding("ASCII-8BIT")
 
 			return true
 		rescue