diff --git a/src/Handler/Utils/Form/MassInput/TH.hs b/src/Handler/Utils/Form/MassInput/TH.hs
index 095149bf7..01d0e8e56 100644
--- a/src/Handler/Utils/Form/MassInput/TH.hs
+++ b/src/Handler/Utils/Form/MassInput/TH.hs
@@ -13,6 +13,8 @@ import Control.Lens
 
 import Data.List ((!!))
 
+import Control.Monad (replicateM)
+
 
 tupleBoxCoord :: Int -> DecQ
 tupleBoxCoord tupleDim = do