diff --git a/include/minit-assets.php b/include/minit-assets.php
index 91afd37..6e33a3e 100644
--- a/include/minit-assets.php
+++ b/include/minit-assets.php
@@ -12,10 +12,10 @@ function __construct( $handler, $extension = null ) {
 
 		$this->handler = $handler;
 
-		if ( ! empty( $extension ) )
-			$this->extension = $extension;
-		else
-			$this->extension = get_class( $handler );
+		if ( empty( $extension ) )
+			$extension = get_class( $handler );
+
+		$this->extension = $extension;
 
 	}