diff --git a/wp-includes/js/media-grid.js b/wp-includes/js/media-grid.js
index 7a4e43e725..5bf3716d5c 100644
--- a/wp-includes/js/media-grid.js
+++ b/wp-includes/js/media-grid.js
@@ -576,7 +576,8 @@
 			return ( this.getCurrentIndex() - 1 ) > -1;
 		},
 		/**
-		 * Respond to the keyboard events: right arrow, left arrow, escape.
+		 * Respond to the keyboard events: right arrow, left arrow, except when
+		 * focus is in a textarea or input field.
 		 */
 		keyEvent: function( event ) {
 			if ( ( 'INPUT' === event.target.nodeName || 'TEXTAREA' === event.target.nodeName ) && ! ( event.target.readOnly || event.target.disabled ) ) {