diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index f436687b21483..70da1dfd69bdf 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -103,7 +103,7 @@ jobs:
 
         env:
             WP_ENV_PHP_VERSION: ${{ matrix.php }}
-            WP_ENV_CORE: ${{ matrix.wordpress == '' && 'WordPress/WordPress' || format( 'https://wordpress.org/wordpress-#{0}.zip', matrix.wordpress ) }}
+            WP_ENV_CORE: ${{ matrix.wordpress == '' && 'WordPress/WordPress' || format( 'https://wordpress.org/wordpress-{0}.zip', matrix.wordpress ) }}
 
         steps:
             - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0