diff --git a/src/wp-admin/themes.php b/src/wp-admin/themes.php
index 38b0f6c873..49e22af3e0 100644
--- a/src/wp-admin/themes.php
+++ b/src/wp-admin/themes.php
@@ -331,7 +331,7 @@ $can_delete = current_user_can( 'delete_themes' );
 		<h3 class="theme-name" id="{{ data.id }}-name">
 			<?php
 			/* translators: %s: theme name */
-			printf( __( '<span>Active:</span> %s' ), '{{ data.name }}' );
+			printf( __( '<span>Active:</span> %s' ), '{{{ data.name }}}' );
 			?>
 		</h3>
 	<# } else { #>
diff --git a/src/wp-includes/class-wp-customize-control.php b/src/wp-includes/class-wp-customize-control.php
index aaf3a2458b..cda1bda639 100644
--- a/src/wp-includes/class-wp-customize-control.php
+++ b/src/wp-includes/class-wp-customize-control.php
@@ -1419,11 +1419,11 @@ class WP_Customize_Theme_Control extends WP_Customize_Control {
 				<h3 class="theme-name" id="{{ data.theme.id }}-name">
 					<?php
 					/* translators: %s: theme name */
-					printf( __( '<span>Active:</span> %s' ), '{{ data.theme.name }}' );
+					printf( __( '<span>Active:</span> %s' ), '{{{ data.theme.name }}}' );
 					?>
 				</h3>
 			<# } else { #>
-				<h3 class="theme-name" id="{{ data.theme.id }}-name">{{ data.theme.name }}</h3>
+				<h3 class="theme-name" id="{{ data.theme.id }}-name">{{{ data.theme.name }}}</h3>
 				<div class="theme-actions">
 					<button type="button" class="button theme-details"><?php _e( 'Theme Details' ); ?></button>
 				</div>