diff --git a/src/wp-content/themes/twentyfifteen/css/editor-style.css b/src/wp-content/themes/twentyfifteen/css/editor-style.css
index 28ba7b3696..58838d9626 100644
--- a/src/wp-content/themes/twentyfifteen/css/editor-style.css
+++ b/src/wp-content/themes/twentyfifteen/css/editor-style.css
@@ -486,7 +486,7 @@ body.rtl {
  * 9.0 Media Queries
  */
 
-@media screen and (max-width: 660px) {
+@media screen and (max-width: 740px) {
 	body, img, .wp-caption {
 		max-width: 100%;
 	}