diff --git a/Casks/celestia.rb b/Casks/celestia.rb
index 795fe8f1b85..b3d3a2c467c 100644
--- a/Casks/celestia.rb
+++ b/Casks/celestia.rb
@@ -2,7 +2,7 @@ cask :v1 => 'celestia' do
   version '1.6.1'
   sha256 'db09842a10b377038bedef87fda8d159549234b2e072fa22e096ade84aa3f52a'
 
-  url "https://downloads.sourceforge.net/sourceforge/celestia/celestia-osx-#{version}.dmg"
+  url "http://downloads.sourceforge.net/sourceforge/celestia/celestia-osx-#{version}.dmg"
   homepage 'http://sourceforge.net/projects/celestia'
   license :oss