diff --git a/engine/src/flutter/examples/home.sky b/engine/src/flutter/examples/home.sky
index d07c4ddcce..de7a9a4e74 100644
--- a/engine/src/flutter/examples/home.sky
+++ b/engine/src/flutter/examples/home.sky
@@ -1,4 +1,4 @@
-#!mojo:sky_viewer
+#!mojo mojo:sky_viewer
 <div><!-- remove this element once Document can have multiple element children -->
 <style>
  .h1 { font-size: 2em; margin: 1em; }