diff --git a/trunk/ripnews/news/article.rb b/trunk/ripnews/news/article.rb
index dc21e34..82e1c40 100644
--- a/trunk/ripnews/news/article.rb
+++ b/trunk/ripnews/news/article.rb
@@ -618,10 +618,10 @@ def _ydecode_file(file, outfile)
 				totalsize = $8.to_i
 				filename = $10
 				print "found beginning"
-				if part
+				if part != nil
 					print " of part #{part}"
 				end
-				if total
+				if total != nil
 					print " of #{total}"
 				end
 				print ", linesize = #{linesize}, size = #{totalsize}, filename = #{filename}\n"
@@ -653,7 +653,7 @@ def _ydecode_file(file, outfile)
 			if size != bytes
 				print "part size mismatch, is #{bytes}, should be #{size}\n"
 			end
-			if !part
+			if part == nil
 				return mode, filename
 			end
 			total += bytes