diff --git a/src/lib/Hydra/View/NixNAR.pm b/src/lib/Hydra/View/NixNAR.pm
index 4d2b087f..a403b42d 100644
--- a/src/lib/Hydra/View/NixNAR.pm
+++ b/src/lib/Hydra/View/NixNAR.pm
@@ -4,7 +4,7 @@ use strict;
 use base qw/Catalyst::View/;
 
 sub file_compression {
-    my ($file) = @_;
+    my ($file) = $@_;
 
     if /\\.(gz|bz2|xz|lz|zip)/
 	return "none";