diff --git a/leetcode/string/ValidParentheses.java b/leetcode/string/ValidParentheses.java
index ee5a7bab..9a78a04b 100644
--- a/leetcode/string/ValidParentheses.java
+++ b/leetcode/string/ValidParentheses.java
@@ -13,11 +13,11 @@ public boolean isValid(String s) {
         for(int i = 0; i < s.length(); i++) {
             if(s.charAt(i) == '(' || s.charAt(i) == '[' || s.charAt(i) == '{') {
                 stack.push(s.charAt(i));
-            } else if(s.charAt(i) == ')' && !stack.isEmpty() && stack.peek() == ')') {
+            } else if(s.charAt(i) == ')' && !stack.isEmpty() && stack.peek() == '(') {
                 stack.pop();
-            } else if(s.charAt(i) == ']' && !stack.isEmpty() && stack.peek() == ']') {
+            } else if(s.charAt(i) == ']' && !stack.isEmpty() && stack.peek() == '[') {
                 stack.pop();
-            } else if(s.charAt(i) == '}' && !stack.isEmpty() && stack.peek() == '}') {
+            } else if(s.charAt(i) == '}' && !stack.isEmpty() && stack.peek() == '{') {
                 stack.pop();
             } else {
                 return false;