--- a/bin/imager.compress	Mon Jun 18 14:36:13 2012 +0200
+++ b/bin/imager.compress	Wed May 13 14:58:27 2015 +0200
@@ -77,14 +77,16 @@
             }
 
             close $tmp;
-            unlink $tmp, $_;
+            map { unlink } $tmp, $_;
 
-            return;
+            return 0;
 
         },
         @ARGV
     );
 
+    exit 0;
+
 }
 
 __END__