diff --git a/src/wp-admin/edit-form-blocks.php b/src/wp-admin/edit-form-blocks.php
index 48a9ebd3dd..bc198de8b7 100644
--- a/src/wp-admin/edit-form-blocks.php
+++ b/src/wp-admin/edit-form-blocks.php
@@ -193,9 +193,8 @@ $styles = array(
 	),
 );
 
-$locale_font_family = '-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif';
-$styles[]           = array(
-	'css' => "body { font-family: '$locale_font_family' }",
+$styles[] = array(
+	'css' => 'body { font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif }',
 );
 
 if ( $editor_styles && current_theme_supports( 'editor-styles' ) ) {