diff --git a/src/Text/Pandoc/Writers/ICML.hs b/src/Text/Pandoc/Writers/ICML.hs
index b73fc78cf..7fe3de2f6 100644
--- a/src/Text/Pandoc/Writers/ICML.hs
+++ b/src/Text/Pandoc/Writers/ICML.hs
@@ -27,7 +27,7 @@ import Data.List (isPrefixOf, isInfixOf, stripPrefix)
 import Data.Text as Text (breakOnAll, pack)
 import Control.Monad.State
 import Network.URI (isURI)
-import System.FilePath (pathSeparator)
+import System.FilePath.Posix (pathSeparator)
 import qualified Data.Set as Set
 
 type Style = [String]