diff --git a/Part2-FlushReload/attacker.c b/Part2-FlushReload/attacker.c
index 2250846..dda9364 100644
--- a/Part2-FlushReload/attacker.c
+++ b/Part2-FlushReload/attacker.c
@@ -26,9 +26,7 @@ int main() {
 
     // [2.1] TODO: Put your capture-the-flag code here
     for (int j = 0; j < 1024; j++) {
-        for(int i = 0; i < 1024; i++) {
-            clflush((ADDR_PTR)buf + i * 128);
-        }
+        clflush((ADDR_PTR)buf + j * 128); 
         for(int i = 0; i < WAIT_TIME; i++);
         time = measure_one_block_access_time((ADDR_PTR)buf + j * 128);
         if(time < CACHE_HIT_THRESHOLD) {