diff --git a/lib/data_paths/methods.rb b/lib/data_paths/methods.rb
index <HASH>..<HASH> 100644
--- a/lib/data_paths/methods.rb
+++ b/lib/data_paths/methods.rb
@@ -28,6 +28,8 @@ module DataPaths
     # @since 0.3.0
     #
     def register_data_path(path)
+      path = File.expand_path(path)
+
       DataPaths.register(path)
 
       data_paths << path unless data_paths.include?(path)
Always expand the paths when registering new data paths.