diff --git a/setup.py b/setup.py
index 90b75c3..3ec5e22 100644
--- a/setup.py
+++ b/setup.py
@@ -56,7 +56,7 @@ setup(
     long_description=long_description,
     packages=['SOAPpy','SOAPpy/wstools'],
     provides = ['SOAPpy'],
-    requires=[
+    install_requires=[
         'fpconst',
         'pyxml'
     ]