diff --git a/src/wp-admin/js/theme.js b/src/wp-admin/js/theme.js
index 0d4543dd86..c1e2fb1113 100644
--- a/src/wp-admin/js/theme.js
+++ b/src/wp-admin/js/theme.js
@@ -465,7 +465,9 @@ themes.view.Themes = wp.Backbone.View.extend({
 		});
 
 		// 'Add new theme' element shown at the end of the grid
-		this.$el.append( '<div id="add-new" class="theme add-new"><a href="' + themes.data.settings.install_uri + '"><div class="theme-screenshot"><span></span></div><h3 class="theme-name">' + themes.data.i18n.add_new + '</h3></a></div>' );
+		if ( themes.data.settings.canInstall ) {
+			this.$el.append( '<div id="add-new" class="theme add-new"><a href="' + themes.data.settings.installURI + '"><div class="theme-screenshot"><span></span></div><h3 class="theme-name">' + themes.data.i18n.addNew + '</h3></a></div>' );
+		}
 
 		this.parent.page++;
 	},
diff --git a/src/wp-admin/themes.php b/src/wp-admin/themes.php
index c4d16b975d..4eb8d68538 100644
--- a/src/wp-admin/themes.php
+++ b/src/wp-admin/themes.php
@@ -91,7 +91,8 @@ if ( current_user_can( 'switch_themes' ) ) {
 wp_localize_script( 'theme', '_wpThemeSettings', array(
 	'themes'   => $themes,
 	'settings' => array(
-		'install_uri'   => admin_url( 'theme-install.php' ),
+		'canInstall'    => ( ! is_multisite() && current_user_can( 'install_themes' ) ),
+		'installURI'    => admin_url( 'theme-install.php' ),
 		'customizeURI'  => ( current_user_can( 'edit_theme_options' ) ) ? wp_customize_url() : null,
 		'confirmDelete' => __( "Are you sure you want to delete this theme?\n\nClick 'Cancel' to go back, 'OK' to confirm the delete." ),
 		'root'          => '/wp-admin/themes.php',
@@ -99,7 +100,7 @@ wp_localize_script( 'theme', '_wpThemeSettings', array(
 		'extraRoutes'   => '',
 	),
 	'i18n' => array(
-		'add_new'         => __( 'Add New Theme' ),
+		'addNew'        => __( 'Add New Theme' ),
 	),
 ) );