diff --git a/Number Theory/isPrimeCrive.cpp b/Number Theory/isPrimeCrive.cpp
index d950e19..5bb6386 100644
--- a/Number Theory/isPrimeCrive.cpp	
+++ b/Number Theory/isPrimeCrive.cpp	
@@ -14,6 +14,6 @@ void findPrime(int n) {
 	
 	for(i=3; i*i<=n; i+=2)
 		if(isPrime[i])
-		for(j=i*i; j<=n; j+=i)
+		for(j=i*i; j<=n; j=j+i)
 			isPrime[j] = 0;
-}
\ No newline at end of file
+}