1 files changed, 1 insertions, 1 deletions
diff --git a/util.lua b/util.lua
index b73838a..2b84d85 100644
--- a/util.lua
+++ b/util.lua
@@ -45,7 +45,7 @@ end
 
 function filter(a, pred)
     filtered = {}
-    for k, v in ipairs(a) do
+    for k, v in pairs(a) do
         if pred(v) then
             filtered[k] = v
         end