diff --git a/src/wp-includes/ms-functions.php b/src/wp-includes/ms-functions.php
index fdbcc6fb78e83..e0ae1a0315f17 100644
--- a/src/wp-includes/ms-functions.php
+++ b/src/wp-includes/ms-functions.php
@@ -2304,7 +2304,7 @@ function is_user_spammy( $user = null ) {
 		}
 	}
 
-	return $user && isset( $user->spam ) && 1 == $user->spam;
+	return $user && isset( $user->spam ) && '1' === $user->spam;
 }
 
 /**