diff --git a/buggy.py b/buggy.py
--- a/buggy.py
+++ b/buggy.py
@@ -17,7 +17,7 @@
             right = sum(nums[mid:r])
             left = sum(nums[l:mid])
 
-            left_ind = dnc(l, mid, lo, hi + left)
+            left_ind = dnc(l, mid, lo, hi + right)
             return left_ind if left_ind != -1 else dnc(mid, r, lo + left, hi)
 
         return dnc(0, len(nums), 0, 0)
