diff --git a/src/wp-admin/css/themes.css b/src/wp-admin/css/themes.css
index 61e290fe86..6c0475ec21 100644
--- a/src/wp-admin/css/themes.css
+++ b/src/wp-admin/css/themes.css
@@ -840,7 +840,7 @@ body.folded .theme-browser ~ .theme-overlay .theme-wrap {
 	}
 }
 
-@media only screen and (max-width: 780px) {
+@media only screen and (max-width: 782px) {
 	body.folded .theme-overlay .theme-wrap,
 	.theme-overlay .theme-wrap {
 		top: 0; /* The adminmenu isn't fixed on mobile, so this can use the full viewport height */