diff -Nurp morituri-0.2.3-orig/doc/Makefile.in morituri-0.2.3/doc/Makefile.in
--- morituri-0.2.3-orig/doc/Makefile.in	2014-11-01 00:13:01.231364181 +0100
+++ morituri-0.2.3/doc/Makefile.in	2014-11-01 00:13:56.691812229 +0100
@@ -486,7 +486,7 @@ morituri.ics: $(top_srcdir)/morituri.doa
 	-moap doap -f $(top_srcdir)/morituri.doap ical > morituri.ics
 
 rip.1: $(top_srcdir)/morituri/extern/python-command/scripts/help2man $(top_srcdir)/morituri
-	PYTHONPATH=$(top_srcdir) $(PYTHON) $(top_srcdir)/morituri/extern/python-command/scripts/help2man morituri.rip.main.Rip rip > rip.1
+	PYTHONPATH=$(top_srcdir):$(PYTHONPATH) $(PYTHON) $(top_srcdir)/morituri/extern/python-command/scripts/help2man morituri.rip.main.Rip rip > rip.1
 
 clean-local:
 	@rm -rf reference