diff --git a/ChangeLog b/ChangeLog
index d745261ef2..8fbb24e763 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun May  9 05:44:59 2010  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
+
+	* include/ruby/ruby.h (rb_intern): fix compile error.
+
 Sun May  9 02:37:33 2010  URABE Shyouhei  <shyouhei@ruby-lang.org>
 
 	* io.c (nogvl_copy_stream_sendfile): mixed decls not allowed.
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index 38edfb3965..981f4f6e73 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -1078,7 +1078,7 @@ VALUE rb_id2str(ID);
 /* __builtin_constant_p and statement expression is available
  * since gcc-2.7.2.3 at least. */
 #define rb_intern(str) \
-    (__builtin_constant_p(str) ?
+    (__builtin_constant_p(str) ? \
         __extension__ (CONST_ID_CACHE((ID), str)) :     \
         rb_intern(str))
 #define rb_intern_const(str) \