1 files changed, 6 insertions, 3 deletions
diff --git a/test/fiddle/test_c_union_entity.rb b/test/fiddle/test_c_union_entity.rb
index d27c9edb52..165c4ecacb 100644
--- a/test/fiddle/test_c_union_entity.rb
+++ b/test/fiddle/test_c_union_entity.rb
@@ -1,6 +1,9 @@
-require_relative 'helper'
+begin
+  require_relative 'helper'
+  require 'fiddle/struct'
+rescue LoadError
+end
 
-require 'fiddle/struct'
 
 module Fiddle
   class TestCUnionEntity < TestCase
@@ -28,4 +31,4 @@ module Fiddle
       assert_equal 1, union['int']
     end
   end
-end
+end if defined?(Fiddle)