diff --git a/features/command.feature b/features/command.feature
index 26242b4df..69ba35a03 100644
--- a/features/command.feature
+++ b/features/command.feature
@@ -1676,3 +1676,17 @@ Feature: WP-CLI Commands
       """
       core custom-subcommand
       """
+
+  Scenario: Templates should still be found when WP CLI phar is renamed
+    Given a WP installation
+    And these installed and active plugins:
+      """
+      akismet
+      """
+    And a new Phar with the same version
+
+    When I run `wp plugin status akismet`
+    Then STDOUT should contain:
+      """
+      Plugin akismet details:
+      """
diff --git a/php/boot-phar.php b/php/boot-phar.php
index 406402e97..6bcf30091 100644
--- a/php/boot-phar.php
+++ b/php/boot-phar.php
@@ -11,6 +11,7 @@
 
 // Store the path to the Phar early on for `Utils\phar-safe-path()` function.
 define( 'WP_CLI_PHAR_PATH', getcwd() );
+define( 'WP_CLI_PHAR_HOST_FILENAME', basename( dirname( __DIR__ ) ) );
 
 if ( file_exists( 'phar://wp-cli.phar/php/wp-cli.php' ) ) {
 	define( 'WP_CLI_ROOT', 'phar://wp-cli.phar' );