diff --git a/servant-server/test/Servant/ServerSpec.hs b/servant-server/test/Servant/ServerSpec.hs
index ea437ca5..a5952b8f 100644
--- a/servant-server/test/Servant/ServerSpec.hs
+++ b/servant-server/test/Servant/ServerSpec.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP                 #-}
 {-# LANGUAGE DataKinds           #-}
 {-# LANGUAGE DeriveGeneric       #-}
 {-# LANGUAGE OverloadedStrings   #-}
@@ -16,7 +17,11 @@ import           Data.Aeson                 (FromJSON, ToJSON, decode', encode)
 import           Data.ByteString            (ByteString)
 import           Data.ByteString.Conversion ()
 import           Data.Char                  (toUpper)
+#if !MIN_VERSION_base(4,8,0)
+import           Data.Monoid                ((<>), mempty)
+#else
 import           Data.Monoid                ((<>))
+#endif
 import           Data.Proxy                 (Proxy (Proxy))
 import           Data.String                (fromString)
 import           Data.String.Conversions    (cs)