diff --git a/Language/Haskell/GhcMod/Gap.hs b/Language/Haskell/GhcMod/Gap.hs
--- a/Language/Haskell/GhcMod/Gap.hs
+++ b/Language/Haskell/GhcMod/Gap.hs
@@ -15,6 +15,7 @@
   , setHideAllPackages
   , addPackageFlags
   , setDeferTypeErrors
+  , setWarnTypedHoles
   , setDumpSplices
   , isDumpSplices
   , filterOutChildren
@@ -257,6 +258,13 @@
 setDeferTypeErrors dflag = dopt_set dflag Opt_DeferTypeErrors
 #else
 setDeferTypeErrors = id
+#endif
+
+setWarnTypedHoles :: DynFlags -> DynFlags
+#if __GLASGOW_HASKELL__ >= 708
+setWarnTypedHoles dflag = wopt_set dflag Opt_WarnTypedHoles
+#else
+setWarnTypedHoles = id
 #endif
 
 ----------------------------------------------------------------
diff --git a/Language/Haskell/GhcMod/Info.hs b/Language/Haskell/GhcMod/Info.hs
--- a/Language/Haskell/GhcMod/Info.hs
+++ b/Language/Haskell/GhcMod/Info.hs
@@ -22,7 +22,7 @@
 import GHC.SYB.Utils (Stage(TypeChecker), everythingStaged)
 import Language.Haskell.GhcMod.Doc (showPage, showOneLine, getStyle)
 import Language.Haskell.GhcMod.GHCApi
-import Language.Haskell.GhcMod.Gap (HasType(..), setDeferTypeErrors)
+import Language.Haskell.GhcMod.Gap (HasType(..), setWarnTypedHoles, setDeferTypeErrors)
 import qualified Language.Haskell.GhcMod.Gap as Gap
 import Language.Haskell.GhcMod.Types
 import Outputable (PprStyle)
@@ -129,7 +129,7 @@
 
 inModuleContext :: FilePath -> (DynFlags -> PprStyle -> Ghc a) -> Ghc a
 inModuleContext file action =
-    withDynFlags (setDeferTypeErrors . setNoWaringFlags) $ do
+    withDynFlags (setWarnTypedHoles . setDeferTypeErrors . setNoWaringFlags) $ do
     setTargetFiles [file]
     Gap.withContext $ do
         dflag <- G.getSessionDynFlags
diff --git a/ghc-mod.cabal b/ghc-mod.cabal
--- a/ghc-mod.cabal
+++ b/ghc-mod.cabal
@@ -1,5 +1,5 @@
 Name:                   ghc-mod
-Version:                4.1.1
+Version:                4.1.2
 Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                BSD3