diff --git a/Makefile b/Makefile
index a7b83ec80d32315cf1274b58568ca53397530e26..1b679c45017df2cf4b5af8670c24cc69fa2c6847 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 .PHONY: docs
 docs: env
-	make -C docs html
+	env/bin/sphinx-build -b html docs/source docs/build/html
 
 env:
 	virtualenv env