diff -Nru cdbs-0.4.90ubuntu2/1/class/python-autotools.mk.in cdbs-0.4.90ubuntu3/1/class/python-autotools.mk.in
--- cdbs-0.4.90ubuntu2/1/class/python-autotools.mk.in	2011-01-14 22:46:25.000000000 +0200
+++ cdbs-0.4.90ubuntu3/1/class/python-autotools.mk.in	2011-01-20 16:20:01.000000000 +0200
@@ -39,9 +39,9 @@
 CDBS_BUILD_DEPENDS += , $(CDBS_BUILD_DEPENDS_class_python-autotools_python)
 
 # FIXME: Restructure to allow early override
-DEB_CONFIGURE_SCRIPT_ENV += PYTHON=$(or $(python$(cdbs_python$(cdbs_curpythonstem)_nondefault_version):%=python%),$(call cdbs_python_binary,python$(if $(cdbs_make_flavors),$(cdbs_make_curflavor))))"
+DEB_CONFIGURE_SCRIPT_ENV += PYTHON="$(or $(python$(cdbs_python$(cdbs_curpythonstem)_nondefault_version):%=python%),$(call cdbs_python_binary,python$(if $(cdbs_make_flavors),$(cdbs_make_curflavor))))"
 
 # Install all flavors on top of each other by default
-DEB_MAKE_DESTDIRSKEL ?= $(cdbs_curdestdir)
+DEB_MAKE_DESTDIRSKEL = $(cdbs_curdestdir)
 
 endif
diff -Nru cdbs-0.4.90ubuntu2/debian/changelog cdbs-0.4.90ubuntu3/debian/changelog
--- cdbs-0.4.90ubuntu2/debian/changelog	2011-01-17 12:02:36.000000000 +0200
+++ cdbs-0.4.90ubuntu3/debian/changelog	2011-01-20 16:12:36.000000000 +0200
@@ -1,3 +1,10 @@
+cdbs (0.4.90ubuntu3) natty; urgency=low
+
+  * Fix regressions in python-autotools.mk: Missing quote in configure,
+    flavoured DESTDIR. (LP: #705426)
+
+ -- Stefano Rivera <stefanor@ubuntu.com>  Thu, 20 Jan 2011 16:09:51 +0200
+
 cdbs (0.4.90ubuntu2) natty; urgency=low
 
   * 1/rules/debhelper.mk.in: patch by Laurent Bigonville to make sure that