diff --git a/TTAlertView/TTAlertView.m b/TTAlertView/TTAlertView.m
index 37773f6..90664d5 100644
--- a/TTAlertView/TTAlertView.m
+++ b/TTAlertView/TTAlertView.m
@@ -269,6 +269,7 @@ - (void)addButtonWithTitle:(NSString *)title
     [otherButton addTarget:self action:@selector(otherButtonAction:) forControlEvents:UIControlEventTouchUpInside];
     [otherButton setTitle:title forState:UIControlStateNormal];
     [self.containerView addSubview:otherButton];
+    if (self.firstOtherButtonIndex < 0) _firstOtherButtonIndex = MAX(_cancelButtonIndex, 0) + 1;
     [self.buttons insertObject:otherButton atIndex:([self.buttons count] - 1) + self.firstOtherButtonIndex];
     
     if(self.isVisible) {