diff --git a/packages/edit-post/src/components/header/fullscreen-mode-close/style.scss b/packages/edit-post/src/components/header/fullscreen-mode-close/style.scss
index 31289443436923..911445344febcd 100644
--- a/packages/edit-post/src/components/header/fullscreen-mode-close/style.scss
+++ b/packages/edit-post/src/components/header/fullscreen-mode-close/style.scss
@@ -35,7 +35,7 @@
 			position: absolute;
 			top: 9px;
 			right: 9px;
-			bottom: 9px;
+			bottom: 9px + $border-width; // Height of toolbar in edit-post (not edit-site) is 61px tall.
 			left: 9px;
 			border-radius: $radius-block-ui + $border-width + $border-width;
 			box-shadow: inset 0 0 0 var(--wp-admin-border-width-focus) $gray-900;