diff --git a/Makefile.in b/Makefile.in
index 4f06a3f53..96c121a19 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -49,7 +49,7 @@ LEX=@LEX@
 CC=@CC@
 CPPFLAGS=-I. @CPPFLAGS@
 ifneq "$(srcdir)" "."
-  CPPFLAGS=-I$(srcdir) $(CPPFLAGS)
+  CPPFLAGS:=-I$(srcdir) $(CPPFLAGS)
 endif
 CPPFLAGS:=$(strip $(CPPFLAGS))
 CFLAGS=@CFLAGS@
diff --git a/doc/Changelog b/doc/Changelog
index ee5251f42..48b7814c4 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,3 +1,6 @@
+21 April 2009: Wouter
+	- fix for build outside sourcedir.
+
 17 April 2009: Wouter
 	- Fix reentrant in minievent handler for unix. Could have resulted
 	  in spurious event callbacks.