diff --git a/src/QuoteSource/DataImport.hs b/src/QuoteSource/DataImport.hs
index 583e6cb..2859341 100644
--- a/src/QuoteSource/DataImport.hs
+++ b/src/QuoteSource/DataImport.hs
@@ -11,9 +11,9 @@ import Control.Monad.State.Strict
 import Data.ATrade
 import Data.IORef
 import Data.Time.Clock
-import QuoteSource.DDE
 import QuoteSource.TableParser
-import QuoteSource.XlParser
+import System.Win32.DDE
+import System.Win32.XlParser
 
 import qualified Data.Map as M
 
diff --git a/src/QuoteSource/TableParser.hs b/src/QuoteSource/TableParser.hs
index bb0b526..4e2bc7a 100644
--- a/src/QuoteSource/TableParser.hs
+++ b/src/QuoteSource/TableParser.hs
@@ -5,7 +5,7 @@ module QuoteSource.TableParser (
   TableParserInstance(..)
 ) where
 
-import QuoteSource.XlParser
+import System.Win32.XlParser
 import Data.ATrade
 import Control.Monad.State.Strict
 import Data.Time.Clock
diff --git a/src/QuoteSource/TableParsers/AllParamsTableParser.hs b/src/QuoteSource/TableParsers/AllParamsTableParser.hs
index fa3f7ff..40f797b 100644
--- a/src/QuoteSource/TableParsers/AllParamsTableParser.hs
+++ b/src/QuoteSource/TableParsers/AllParamsTableParser.hs
@@ -7,7 +7,7 @@ module QuoteSource.TableParsers.AllParamsTableParser (
 import qualified Data.Map.Lazy as M
 import QuoteSource.TableParser
 import Data.ATrade
-import QuoteSource.XlParser
+import System.Win32.XlParser
 import Data.Tuple
 import Data.Decimal
 import Control.Monad.State.Strict
diff --git a/src/QuoteSource/DDE.hs b/src/System/Win32/DDE.hs
similarity index 99%
rename from src/QuoteSource/DDE.hs
rename to src/System/Win32/DDE.hs
index 6123a9a..280ff7b 100644
--- a/src/QuoteSource/DDE.hs
+++ b/src/System/Win32/DDE.hs
@@ -1,6 +1,6 @@
 {-# LANGUAGE ForeignFunctionInterface, CPP #-}
 
-module QuoteSource.DDE (
+module System.Win32.DDE (
   initializeDde,
   destroyDde,
   DdeState,
@@ -33,7 +33,7 @@ import Data.Binary.Get
 import Data.Typeable
 import Data.ByteString hiding (map)
 import Data.IORef
-import QuoteSource.XlParser
+import System.Win32.XlParser
 import System.Win32.DLL
 import System.Win32.Types
 import Foreign
diff --git a/src/QuoteSource/XlParser.hs b/src/System/Win32/XlParser.hs
similarity index 98%
rename from src/QuoteSource/XlParser.hs
rename to src/System/Win32/XlParser.hs
index c51a713..181a7bb 100644
--- a/src/QuoteSource/XlParser.hs
+++ b/src/System/Win32/XlParser.hs
@@ -1,5 +1,5 @@
 
-module QuoteSource.XlParser (
+module System.Win32.XlParser (
   XlData(..),
   xlParser
 ) where