diff --git a/src/wp-includes/js/tinymce/plugins/wpautoresize/plugin.js b/src/wp-includes/js/tinymce/plugins/wpautoresize/plugin.js
index 38ee2f8ed3..98905f6478 100644
--- a/src/wp-includes/js/tinymce/plugins/wpautoresize/plugin.js
+++ b/src/wp-includes/js/tinymce/plugins/wpautoresize/plugin.js
@@ -25,12 +25,12 @@ tinymce.PluginManager.add( 'wpautoresize', function( editor ) {
 		oldSize = 300,
 		isActive = false;
 
-	function isFullscreen() {
-		return editor.plugins.fullscreen && editor.plugins.fullscreen.isFullscreen();
+	if ( editor.settings.inline || tinymce.Env.iOS ) {
+		return;
 	}
 
-	if ( editor.settings.inline ) {
-		return;
+	function isFullscreen() {
+		return editor.plugins.fullscreen && editor.plugins.fullscreen.isFullscreen();
 	}
 
 	function getInt( n ) {