diff --git a/exec/load/cnflib.js b/exec/load/cnflib.js
index 6f9e16a1592e722cbbe2fe35ada4dd648de1ec74..70c444ca6759cfcfcc8835602c289b17c1f188f6 100644
--- a/exec/load/cnflib.js
+++ b/exec/load/cnflib.js
@@ -21,7 +21,7 @@ var CNF = new (function() {
 		}
 		else {
 			var s = file.read(bytes);
-			return s.replace(/\0/g,'');
+			return s.replace(/\0|\xff/g,'');
 		}
 	}