diff --git a/ChangeLog b/ChangeLog
index 31ec3b1c2f..4ee7376f36 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Jan 10 21:17:28 2009  Tanaka Akira  <akr@fsij.org>
+
+	* ext/socket/mkconstants.rb: don't generate unintended newlines.
+
 Sat Jan 10 20:50:02 2009  Tanaka Akira  <akr@fsij.org>
 
 	* ext/socket/mkconstants.rb: refactored to nest properly in statically
diff --git a/ext/socket/mkconstants.rb b/ext/socket/mkconstants.rb
index 26a6ef687d..655e990e3d 100644
--- a/ext/socket/mkconstants.rb
+++ b/ext/socket/mkconstants.rb
@@ -83,10 +83,10 @@ ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_const_defs")
 % each_const {|guard, define, name, default_value|
 %   if guard
 #if <%=guard%>
-<%= gen_const_defs_in_guard(define, name, default_value) %>
+<%= gen_const_defs_in_guard(define, name, default_value).chomp %>
 #endif
 %   else
-<%= gen_const_defs_in_guard(define, name, default_value) %>
+<%= gen_const_defs_in_guard(define, name, default_value).chomp %>
 %   end
 % }
 EOS