diff --git a/lib/thor/actions/file_manipulation.rb b/lib/thor/actions/file_manipulation.rb
index c20e5d19..d7e6cb9f 100644
--- a/lib/thor/actions/file_manipulation.rb
+++ b/lib/thor/actions/file_manipulation.rb
@@ -85,7 +85,7 @@ def get(source, *args, &block)
         URI.send(:open, source) { |input| input.binmode.read }
       else
         source = File.expand_path(find_in_source_paths(source.to_s))
-        open(source) { |input| input.binmode.read }
+        File.open(source) { |input| input.binmode.read }
       end
 
       destination ||= if block_given?