diff --git a/w2v-server.pl b/w2v-server.pl
index 5792893..8085874 100755
--- a/w2v-server.pl
+++ b/w2v-server.pl
@@ -122,7 +122,7 @@
         } else {
           $res = get_neighbours($w, $no_nbs, $sort, $searchBaseVocabFirst, $cutoff, $dedupe);
         }
-        $cache{$w} = $res;
+        $cache{$w.$cutoff.$no_nbs.$sort.$dedupe} = $res;
       }
       push(@lists, $res->{paradigmatic});
     }