diff -uNr a/fence/agents/lib/check_used_options.py b/fence/agents/lib/check_used_options.py
--- a/fence/agents/lib/check_used_options.py	2016-08-22 14:33:34.000000000 +0200
+++ b/fence/agents/lib/check_used_options.py	2016-12-23 10:58:41.653592220 +0100
@@ -1,5 +1,3 @@
-#!/usr/bin/python -tt
-
 ## Check if fence agent uses only options["--??"] which are defined in fencing library or
 ## fence agent itself
 ##
diff -uNr a/make/fencebuild.mk b/make/fencebuild.mk
--- a/make/fencebuild.mk	2016-08-22 14:33:36.000000000 +0200
+++ b/make/fencebuild.mk	2016-12-23 10:42:57.712668560 +0100
@@ -31,7 +31,7 @@
 	> $@
 
 	if [ 0 -eq `echo "$(@)" | grep fence_ &> /dev/null; echo $$?` ]; then \
-		PYTHONPATH=$(abs_srcdir)/lib:$(abs_builddir)/lib $(top_srcdir)/fence/agents/lib/check_used_options.py $@; \
+		PYTHONPATH=$(abs_srcdir)/lib:$(abs_builddir)/lib $(PYTHON) $(top_srcdir)/fence/agents/lib/check_used_options.py $@; \
 	else true ; fi
 
 	for x in `PYTHONPATH=$(abs_srcdir)/lib:$(abs_builddir)/lib $(PYTHON) $(@) -o metadata | grep symlink | sed -e "s/.*\(fence.*\)\" .*/\1/g"`; do \