diff --git a/dependency-minification.php b/dependency-minification.php
index bd2e385..9e83835 100644
--- a/dependency-minification.php
+++ b/dependency-minification.php
@@ -512,7 +512,7 @@ static function get_dependency_minified_url( array $deps, $type ) {
 			$ver_hash,
 			$type === 'scripts' ? 'js' : 'css',
 		) );
-		return $src;
+		return preg_replace( '#^https?:(?=//)#', '', $src );
 	}
 
 	/**