diff --git a/Makefile b/Makefile
index aa8a068..5f1419a 100644
--- a/Makefile
+++ b/Makefile
@@ -51,10 +51,11 @@ wx: _build_wx/wxPython.target
 	@$(INSIDE_VENV) cd _build_wx && pip install wxPython*.whl
 
 
-doc:
+doc: VENV_PATH = ./_venv
+doc: venv
 	@echo "Building pdf and html documentation..."
 	@$(INSIDE_VENV) pip install sphinx
-	@+$(INSIDE_VENV) $(MAKE) -C doc/ latexpdf
+	# @+$(INSIDE_VENV) $(MAKE) -C doc/ latexpdf
 	@+$(INSIDE_VENV) $(MAKE) -C doc/ html