diff -Nru vtk-5.8.0/debian/changelog vtk-5.8.0/debian/changelog
--- vtk-5.8.0/debian/changelog	2012-05-30 12:48:17.000000000 +0100
+++ vtk-5.8.0/debian/changelog	2013-06-25 21:22:57.000000000 +0100
@@ -1,3 +1,10 @@
+vtk (5.8.0-13.1) unstable; urgency=low
+
+  * Non-maintainer upload.
+  * Use multiarched libpython2.7.so location. Closes: #713794
+
+ -- Dmitrijs Ledkovs <dmitrij.ledkov@ubuntu.com>  Tue, 25 Jun 2013 20:50:11 +0100
+
 vtk (5.8.0-13) unstable; urgency=low
 
   * Make sure to include VTK/QT cmake file. Closes: #656115
diff -Nru vtk-5.8.0/debian/rules vtk-5.8.0/debian/rules
--- vtk-5.8.0/debian/rules	2012-05-30 12:47:25.000000000 +0100
+++ vtk-5.8.0/debian/rules	2013-06-25 20:50:08.000000000 +0100
@@ -7,8 +7,7 @@
 DPKG_EXPORT_BUILDFLAGS = 1
 -include /usr/share/dpkg/buildflags.mk
 
-DEB_HOST_ARCH ?=$(shell dpkg-architecture -qDEB_HOST_ARCH)
-DEB_HOST_ARCH_CPU ?=$(shell dpkg-architecture -qDEB_HOST_ARCH_CPU)
+include /usr/share/dpkg/architecture.mk
 
 export LD_LIBRARY_PATH+=:$(CURDIR)/Build/bin
 export TCLLIBPATH=$(CURDIR)/Build/Wrapping/Tcl/
@@ -59,7 +58,7 @@
 #                        -UQT_QT_LIBRARY -DBUILD_EXAMPLES:BOOL=OFF -DCMAKE_INSTALL_PREFIX:PATH=/usr
 
 	echo PYTHON_INCLUDE_PATH:PATH=/usr/include/$(PYVERS) >> Build/CMakeCache.txt
-	echo PYTHON_LIBRARY:FILEPATH=/usr/lib/lib$(PYVERS).so >> Build/CMakeCache.txt
+	echo PYTHON_LIBRARY:FILEPATH=/usr/lib/$(DEB_HOST_MULTIARCH)/lib$(PYVERS).so >> Build/CMakeCache.txt
 	echo CMAKE_INSTALL_PREFIX:PATH=$(CURDIR)/debian/tmp/usr >> Build/CMakeCache.txt
 	echo VTK_INSTALL_LIB_DIR:PATH=/lib/ >> Build/CMakeCache.txt
 	echo VTK_INSTALL_PACKAGE_DIR:PATH=/lib/vtk-$(MAJOR).$(MINOR) >> Build/CMakeCache.txt