diff --git a/packages/block-library/src/site-title/block.json b/packages/block-library/src/site-title/block.json
index 5764212b590c50..4d4afc75afa98a 100644
--- a/packages/block-library/src/site-title/block.json
+++ b/packages/block-library/src/site-title/block.json
@@ -22,6 +22,9 @@
 			"default": "_self"
 		}
 	},
+	"example": {
+		"viewportWidth": 500
+	},
 	"supports": {
 		"align": [ "wide", "full" ],
 		"html": false,