diff --git a/ghost/admin/app/components/gh-post-settings-menu.hbs b/ghost/admin/app/components/gh-post-settings-menu.hbs
index 682d83a6df..a2bb3486ac 100644
--- a/ghost/admin/app/components/gh-post-settings-menu.hbs
+++ b/ghost/admin/app/components/gh-post-settings-menu.hbs
@@ -233,6 +233,7 @@
                                     <GhTextInput
                                         @class="post-setting-canonicalUrl"
                                         @name="post-setting-canonicalUrl"
+                                        @placeholder={{this.post.url}}
                                         @value={{readonly this.canonicalUrlScratch}}
                                         @input={{action (mut this.canonicalUrlScratch) value="target.value"}}
                                         @focus-out={{action "setCanonicalUrl" this.canonicalUrlScratch}}