Index: debian/python-univention-directory-reports.dirs
===================================================================
--- debian/python-univention-directory-reports.dirs	(Revision 0)
+++ debian/python-univention-directory-reports.dirs	(Revision 0)
@@ -0,0 +1 @@
+var/cache/univention-directory-reports
Index: modules/univention/directory/reports/document.py
===================================================================
--- modules/univention/directory/reports/document.py	(Revision 57208)
+++ modules/univention/directory/reports/document.py	(Arbeitskopie)
@@ -125,8 +125,9 @@
 		cmd = ['pdflatex', '-interaction=nonstopmode', '-halt-on-error', '-output-directory=%s' % os.path.dirname(latex_file), latex_file]
 		devnull = open(os.path.devnull, 'w')
 		try:
-			if not subprocess.call(cmd, stdout=devnull, stderr=devnull):
-				if not subprocess.call(cmd, stdout=devnull, stderr=devnull):
+			env_vars = {'HOME': '/var/cache/univention-directory-reports'}
+			if not subprocess.call(cmd, stdout=devnull, stderr=devnull, env=env_vars):
+				if not subprocess.call(cmd, stdout=devnull, stderr=devnull, env=env_vars):
 					return '%s.pdf' % latex_file.rsplit('.', 1)[0]
 			print >>sys.stderr, "error: failed to create PDF file"
 			return None