diff --git a/src/Utils/PathPiece.hs b/src/Utils/PathPiece.hs
index 334133695..c7434b54f 100644
--- a/src/Utils/PathPiece.hs
+++ b/src/Utils/PathPiece.hs
@@ -16,6 +16,7 @@ import Data.Universe
 import qualified Data.Text as Text
 import qualified Data.Char as Char
 
+import Data.Map ((!), (!?))
 import qualified Data.Map as Map
 
 import Numeric.Natural