diff --git a/.travis.yml b/.travis.yml
index 36829be..fafe8a5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,14 +19,20 @@ cache:
 
 matrix:
   include:
+    - php: 7.4snapshot
+      env: WP_VERSION=nightly
     - php: 7.3
       env: WP_VERSION=latest
+    # - php: 7.3
+    #  env: WP_TRAVISCI=phpcs
+    - php: 7.3
+      env: WP_TRAVISCI=nightly
     - php: 7.2
       env: WP_VERSION=latest
-    - php: 7.2
+    - php: 7.1
+      env: WP_VERSION=latest
+    - php: 7.1
       env: WP_VERSION=4.9
-    - php: 7.2
-      env: WP_VERSION=trunk
 
 before_script:
   - export PATH="$HOME/.composer/vendor/bin:$PATH"
diff --git a/pantheon-hud.php b/pantheon-hud.php
index b3b2023..b6c0be4 100644
--- a/pantheon-hud.php
+++ b/pantheon-hud.php
@@ -34,7 +34,7 @@
 	$last = array_pop( $parts ); // File should be 'class-[...].php'
 	$last = 'class-' . $last . '.php';
 	$parts[] = $last;
-	$file = dirname( __FILE__ ) . '/inc/' . str_replace( '_', '-', strtolower( implode( $parts, '/' ) ) );
+	$file = dirname( __FILE__ ) . '/inc/' . str_replace( '_', '-', strtolower( implode( '/', $parts ) ) );
 	if ( file_exists( $file ) ) {
 		require $file;
 	}