diff --git a/C4/Koha.pm b/C4/Koha.pm
index 0ff4851ec2..de4e6a4214 100644
--- a/C4/Koha.pm
+++ b/C4/Koha.pm
@@ -984,7 +984,7 @@ sub GetAuthorisedValues {
     }
     $sth->finish;
 
-    $cache->set_in_cache( $cache_key, \@results, { deepcopy => 1, expiry => 5 } );
+    $cache->set_in_cache( $cache_key, \@results, { expiry => 5 } );
     return \@results;
 }