diff --git a/var/spack/repos/builtin/packages/spectrum-mpi/package.py b/var/spack/repos/builtin/packages/spectrum-mpi/package.py
index 28ba423b9c..58af1acc84 100644
--- a/var/spack/repos/builtin/packages/spectrum-mpi/package.py
+++ b/var/spack/repos/builtin/packages/spectrum-mpi/package.py
@@ -32,6 +32,7 @@ class SpectrumMpi(Package):
     """
 
     homepage = "http://www-03.ibm.com/systems/spectrum-computing/products/mpi"
+    url = "http://www-03.ibm.com/systems/spectrum-computing/products/mpi"
 
     provides('mpi')