diff --git a/task/checksum.rake b/task/checksum.rake
index 19235a5..e0053f6 100644
--- a/task/checksum.rake
+++ b/task/checksum.rake
@@ -1,7 +1,7 @@
 desc 'Creates a SHA512 checksum of the current version'
 task :checksum do
   checksums = File.expand_path('../../checksum', __FILE__)
-  name      = "#{GEMSPEC.name}-#{GEMSPEC.version}.gem"
+  name      = "#{GEMSPEC.full_name}.gem"
   path      = File.join(File.expand_path('../../pkg', __FILE__), name)
 
   checksum_name = File.basename(path) + '.sha512'