diff --git a/Statistics/Quantile.hs b/Statistics/Quantile.hs
index 2747d251..f641985f 100644
--- a/Statistics/Quantile.hs
+++ b/Statistics/Quantile.hs
@@ -39,7 +39,7 @@ module Statistics.Quantile
 
 import Control.Exception (assert)
 import Data.Vector.Generic ((!))
-import Statistics.Constants (m_epsilon)
+import Numeric.MathFunctions.Constants (m_epsilon)
 import Statistics.Function (partialSort)
 import qualified Data.Vector.Generic as G