diff --git a/ChangeLog b/ChangeLog
index ee50f0276a..072d18fd7b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon Jan 19 10:34:32 2009  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* ext/socket/depend: workaround for nmake. files in depend without
+	  paths should converted by RULE_SUBST, but mkmf.rb cannot recognize
+	  macros currently.
+
 Mon Jan 19 09:53:43 2009  Koichi Sasada  <ko1@atdot.net>
 
 	* iseq.c:
diff --git a/ext/socket/depend b/ext/socket/depend
index a18ec604f9..f60a1b71f6 100644
--- a/ext/socket/depend
+++ b/ext/socket/depend
@@ -1,6 +1,6 @@
-SOCK_HEADERS = rubysocket.h $(hdrdir)/ruby/ruby.h $(arch_hdrdir)/ruby/config.h \
+SOCK_HEADERS = $(srcdir)/rubysocket.h $(hdrdir)/ruby/ruby.h $(arch_hdrdir)/ruby/config.h \
 	$(hdrdir)/ruby/defines.h $(hdrdir)/ruby/io.h \
-	sockport.h constdefs.h
+	$(srcdir)/sockport.h constdefs.h
 
 init.o: init.c $(SOCK_HEADERS)
 constants.o: constants.c constdefs.c $(SOCK_HEADERS)