diff --git a/shell/platform/darwin/macos/framework/Source/FlutterViewController.mm b/shell/platform/darwin/macos/framework/Source/FlutterViewController.mm
index 5129ef4ebe0f0..163ffd549d2a4 100644
--- a/shell/platform/darwin/macos/framework/Source/FlutterViewController.mm
+++ b/shell/platform/darwin/macos/framework/Source/FlutterViewController.mm
@@ -517,7 +517,7 @@ - (void)setBackgroundColor:(NSColor*)color {
 }
 
 - (FlutterViewId)viewId {
-  NSAssert([self attached], @"This view controller is not attched.");
+  NSAssert([self attached], @"This view controller is not attached.");
   return _viewId;
 }