diff --git a/src/Zenith/Utils.hs b/src/Zenith/Utils.hs
index 3624d73..7f55448 100644
--- a/src/Zenith/Utils.hs
+++ b/src/Zenith/Utils.hs
@@ -10,6 +10,7 @@ import Data.Scientific (Scientific(..), scientific)
 import qualified Data.Text as T
 import qualified Data.Text.Encoding as E
 import System.Process (createProcess_, shell)
+import System.Directory
 import Text.Regex.Posix
 import ZcashHaskell.Orchard (encodeUnifiedAddress, isValidUnifiedAddress)
 import ZcashHaskell.Sapling (decodeSaplingAddress, isValidShieldedAddress)