diff --git a/drupal-org.make b/drupal-org.make
index 62e432a4ebe7c7a201365fea9debb70a0b0176bb..862403e6eb8a4359207db309119b0770d4aaa7d9 100644
--- a/drupal-org.make
+++ b/drupal-org.make
@@ -589,7 +589,7 @@ libraries[blazy][download][url] = "https://github.com/dinbror/blazy/archive/1.8.
 libraries[blazy][destination] = "libraries"
 
 libraries[slick][download][type] = get
-libraries[slick][download][url] = "https://github.com/kenwheeler/slick/archive/1.8.1.tar.gz"
+libraries[slick][download][url] = "https://github.com/kenwheeler/slick/archive/v1.8.1.tar.gz"
 libraries[slick][destination] = "libraries"
 
 libraries[ace][directory_name] = "ace"