diff --git a/u6/matching_brackets.py b/u6/matching_brackets.py
index 8a2978d..4d136ee 100644
--- a/u6/matching_brackets.py
+++ b/u6/matching_brackets.py
@@ -13,7 +13,8 @@ def is_paired(input_string):
         elif char in ')]}':
             if not stack:
                 return False
-
+            if stack[-1] != brackets[char]:
+                return False
 
             stack.pop()