diff --git a/trunk/ripnews/encode/yenc.rb b/trunk/ripnews/encode/yenc.rb
index 5ae15ea..8b4af26 100644
--- a/trunk/ripnews/encode/yenc.rb
+++ b/trunk/ripnews/encode/yenc.rb
@@ -1,4 +1,4 @@
-# $Dwarf: yenc.rb,v 1.9 2003/07/20 20:32:01 ward Exp $
+# $Dwarf: yenc.rb,v 1.10 2004/06/16 08:14:50 ward Exp $
 # $Source$
 
 #
@@ -54,7 +54,11 @@ def _ydecode_line(line)
 	while i < ll
 		if line[i] == 0x3d
 			i += 1
-			line[i] -= 64
+			if i == ll
+				raise PermError, "Escape char found as last char on line. This is not allowed by the yEnc standard"
+			else
+				line[i] -= 64
+			end
 		end
 		ostr << @ymap[line[i]]
 		i += 1