diff --git a/MANIFEST.in b/MANIFEST.in
index 07b2a7e..b91938e 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,4 @@
 recursive-include tests *.py
 recursive-include uvloop *.pyx *.pxd *.pxi *.py
-recursive-include vendor *.*
+recursive-include vendor/libuv *.*
 include LICENSE README.rst Makefile
diff --git a/Makefile b/Makefile
index 7f9fb77..2ac8980 100644
--- a/Makefile
+++ b/Makefile
@@ -32,4 +32,5 @@ test:
 
 
 sdist: clean compile test
+	git -C vendor/libuv clean -dfX
 	python3 setup.py sdist