diff --git a/ChangeLog b/ChangeLog
index 49e9ccc6ea..5234d5fe4d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Sep 17 11:33:35 2014  Laurent Arnoud  <laurent@spkdev.net>
+
+	* test/fiddle/test_import.rb (Fiddle::TestImport#test_sizeof):
+	  added test for long long [fix GH-716]
+
 Wed Sep 17 11:09:21 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
 
 	* tool/rbinstall.rb: fixed invalid options with latest rubygems.
diff --git a/test/fiddle/test_import.rb b/test/fiddle/test_import.rb
index d06477bfa5..c83f50fe44 100644
--- a/test/fiddle/test_import.rb
+++ b/test/fiddle/test_import.rb
@@ -63,6 +63,7 @@ module Fiddle
       assert_equal(SIZEOF_VOIDP, LIBC.sizeof("FILE*"))
       assert_equal(LIBC::MyStruct.size(), LIBC.sizeof(LIBC::MyStruct))
       assert_equal(LIBC::MyStruct.size(), LIBC.sizeof(LIBC::MyStruct.malloc()))
+      assert_equal(SIZEOF_LONG_LONG, LIBC.sizeof("long long"))
     end
 
     Fiddle.constants.grep(/\ATYPE_(?!VOID\z)(.*)/) do