diff --git a/preamble.cabal b/preamble.cabal
--- a/preamble.cabal
+++ b/preamble.cabal
@@ -1,5 +1,5 @@
 name:                  preamble
-version:               0.0.29
+version:               0.0.30
 synopsis:              Yet another prelude.
 description:           A prelude built on basic-prelude.
 homepage:              https://github.com/swift-nav/preamble
diff --git a/src/Preamble/Ctx.hs b/src/Preamble/Ctx.hs
--- a/src/Preamble/Ctx.hs
+++ b/src/Preamble/Ctx.hs
@@ -15,6 +15,7 @@
 import Preamble.Prelude
 import Preamble.Trace
 import Preamble.Types
+import System.Environment
 
 -- | Run monad transformer, picking up logger from context.
 --
@@ -38,11 +39,12 @@
 
 -- | Run stats context.
 --
-runStatsCtx :: MonadCtx c m => String -> TransT StatsCtx m a -> m a
-runStatsCtx host action = do
+runStatsCtx :: MonadCtx c m => TransT StatsCtx m a -> m a
+runStatsCtx action = do
   c <- view ctx
   s <- liftIO $ socket AF_INET Datagram defaultProtocol
-  a <- liftIO $ inet_addr host
+  h <- liftIO $ fromMaybe "127.0.0.1" <$> lookupEnv "STATS_HOST"
+  a <- liftIO $ inet_addr h
   let sa = SockAddrInet 8125 a
   runTransT (StatsCtx c s sa) action