diff --git a/make/py-defs.mk b/make/py-defs.mk
index deebe6ee..a0e4cda3 100644
--- a/make/py-defs.mk
+++ b/make/py-defs.mk
@@ -1,7 +1,9 @@
 ENV_PYTHONPATH       := $(PYTHONPATH)
+PYTHON               ?= python
+#PYTHON                = python3
 
 ifneq ($(DEVELOPMENT),true)
-  PY_SITE_PACKAGES_PATH = $(shell python -c "import site; print site.getsitepackages()[0]")
+  PY_SITE_PACKAGES_PATH = $(shell $(PYTHON) -c "import site; print site.getsitepackages()[0]")
 else
   PY_SITE_PACKAGES_PATH = $(PREFIX)/python/site-packages
 endif