diff --git a/lib/linguist/heuristics.rb b/lib/linguist/heuristics.rb
index cbbcd03a..c78a4e15 100644
--- a/lib/linguist/heuristics.rb
+++ b/lib/linguist/heuristics.rb
@@ -330,7 +330,7 @@ module Linguist
     end
 
     disambiguate ".rpy" do |data|
-      if /(^(import|from|class|def)[\s\S])/m.match(data)
+      if /(^(import|from|class|def)\s)/m.match(data)
         Language["Python"]
       else
         Language["Ren'Py"]