diff --git a/buggy.py b/buggy.py
--- a/buggy.py
+++ b/buggy.py
@@ -6,7 +6,7 @@
 for i in range(len(S) - 2):
     count += 1
     if S[i] == "A" and S[i + 1] == "B" and S[i + 2] == "C":
-        check == True
+        check = True
         break
 
 if check == True:
