diff --git a/Makefile b/Makefile
index 8c0935f0..f385c76b 100644
--- a/Makefile
+++ b/Makefile
@@ -6,8 +6,7 @@ LOCALEDIR=$(DATADIR)/locale
 MANDIR=$(DATADIR)/man
 
 all: Makefile
-	python3 setup.py build
-	cp build/lib.linux-x86_64-3.2/poopt.cpython-32mu.so src/
+	cd src/ && python3 ../setup.py build_ext --inplace
 
 clean:
 	find ./ -name \*.pyc -delete
diff --git a/setup.py b/setup.py
index 50d787da..496d3d7b 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from distutils.core import setup, Extension
 
 module_poopt = Extension('poopt',
-                    sources = ['src/pooptmodule.c'])
+                    sources = ['pooptmodule.c'])
 
 setup (name = 'BuildLines',
        version = '0.0.1',