diff --git a/browser/native_window_mac.mm b/browser/native_window_mac.mm
index e91e6e298fd2..7d2edffabe56 100644
--- a/browser/native_window_mac.mm
+++ b/browser/native_window_mac.mm
@@ -37,7 +37,7 @@
   return self;
 }
 
-- (void)windowDidResignKey:(NSNotification*)notification {
+- (void)windowDidResignMain:(NSNotification*)notification {
   shell_->NotifyWindowBlur();
 }