diff --git a/Makefile b/Makefile
index 295088c4a7df3c24562a0ca1c5d7ab09d2e59ddc..43d86866d18f6270b5a88be7492b7ab24885b193 100644
--- a/Makefile
+++ b/Makefile
@@ -71,7 +71,8 @@ docs: ## generate Sphinx HTML documentation, including API docs
 	sphinx-apidoc -o docs/ flatland
 	$(MAKE) -C docs clean
 	$(MAKE) -C docs html
-	pydeps flatland -o docs/_build/html/flatland.svg
+	export HOME=$(pwd)
+	python3 -m pydeps flatland -o docs/_build/html/flatland.svg
 	$(BROWSER) docs/_build/html/index.html
 
 servedocs: docs ## compile the docs watching for changes