diff --git a/Numeric/Extras.hs b/Numeric/Extras.hs
--- a/Numeric/Extras.hs
+++ b/Numeric/Extras.hs
@@ -74,3 +74,5 @@
     c_cbrtf :: CFloat -> CFloat
 foreign import ccall unsafe "math.h erff"
     c_erff :: CFloat -> CFloat
+
+default (Double)
diff --git a/numeric-extras.cabal b/numeric-extras.cabal
--- a/numeric-extras.cabal
+++ b/numeric-extras.cabal
@@ -1,7 +1,7 @@
 Name:              numeric-extras
-Version:           0.0.1
+Version:           0.0.2.1
 Synopsis:          Useful tools from the C standard library
-Homepage:          http://patch-tag.com/r/ekmett/numeric-extras
+Homepage:          http://github.com/ekmett/numeric-extras
 License:           BSD3
 License-file:      LICENSE
 Author:            Edward Kmett