diff --git a/make/py-defs.mk b/make/py-defs.mk
index df1a6713..b0df37e2 100644
--- a/make/py-defs.mk
+++ b/make/py-defs.mk
@@ -10,7 +10,7 @@ endif
 ifeq ($(DEVELOPMENT),true)
   PY_SITE_PACKAGES_PATH     := $(PREFIX)/python$(PYTHON_VERSION)/site-packages
 else
-  PY_SITE_PACKAGES_PATH     := $(shell $(PYTHON) -c "import site; print(site.getsitepackages()[0])")
+  PY_SITE_PACKAGES_PATH     := $(shell $(PYTHON) -c "import site; print([d for d in site.getsitepackages() if d.find('/local/') == -1][0])")
 endif
 
 ifndef PY_PREREQ_BUILD