diff --git a/spec/hamlit/engine/error_spec.rb b/spec/hamlit/engine/error_spec.rb
index 6e5bd843..03433b5d 100644
--- a/spec/hamlit/engine/error_spec.rb
+++ b/spec/hamlit/engine/error_spec.rb
@@ -37,9 +37,10 @@ describe Hamlit::Engine do
           %9
         HAML
       rescue Hamlit::SyntaxError => e
-        return unless e.respond_to?(:backtrace_locations)
-        line_number = e.backtrace_locations.first.to_s.match(/:(\d+):/)[1]
-        expect(line_number).to eq('8')
+        if e.respond_to?(:backtrace_locations)
+          line_number = e.backtrace_locations.first.to_s.match(/:(\d+):/)[1]
+          expect(line_number).to eq('8')
+        end
       end
     end
   end