diff --git a/lua/src/p0005.lua b/lua/src/p0005.lua
index 3073643d..da33919c 100644
--- a/lua/src/p0005.lua
+++ b/lua/src/p0005.lua
@@ -31,7 +31,7 @@ return {
             end
         end
         for i = 2,19 do
-            for j = 1,factorTracker[i] do
+            for _ = 1,factorTracker[i] do
                 answer = answer * i
             end
         end