diff --git a/hls-call-hierarchy-plugin.cabal b/hls-call-hierarchy-plugin.cabal
--- a/hls-call-hierarchy-plugin.cabal
+++ b/hls-call-hierarchy-plugin.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.4
 name:               hls-call-hierarchy-plugin
-version:            2.5.0.0
+version:            2.6.0.0
 synopsis:           Call hierarchy plugin for Haskell Language Server
 description:
   Please see the README on GitHub at <https://github.com/haskell/haskell-language-server/tree/master/plugins/hls-call-hierarchy-plugin#readme>
@@ -33,9 +33,9 @@
     , base                  >=4.12 && <5
     , containers
     , extra
-    , ghcide                == 2.5.0.0
+    , ghcide                == 2.6.0.0
     , hiedb
-    , hls-plugin-api        == 2.5.0.0
+    , hls-plugin-api        == 2.6.0.0
     , lens
     , lsp                    >=2.3
     , sqlite-simple
@@ -58,7 +58,7 @@
     , extra
     , filepath
     , hls-call-hierarchy-plugin
-    , hls-test-utils              == 2.5.0.0
+    , hls-test-utils              == 2.6.0.0
     , ghcide-test-utils
     , lens
     , lsp
diff --git a/src/Ide/Plugin/CallHierarchy.hs b/src/Ide/Plugin/CallHierarchy.hs
--- a/src/Ide/Plugin/CallHierarchy.hs
+++ b/src/Ide/Plugin/CallHierarchy.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE OverloadedStrings #-}
 module Ide.Plugin.CallHierarchy (descriptor) where
 
 import           Development.IDE
@@ -6,7 +7,7 @@
 import           Language.LSP.Protocol.Message
 
 descriptor :: PluginId -> PluginDescriptor IdeState
-descriptor plId = (defaultPluginDescriptor plId)
+descriptor plId = (defaultPluginDescriptor plId "Provides call-hierarchy support in Haskell")
     { Ide.Types.pluginHandlers =
         mkPluginHandler SMethod_TextDocumentPrepareCallHierarchy X.prepareCallHierarchy
      <> mkPluginHandler SMethod_CallHierarchyIncomingCalls X.incomingCalls
diff --git a/src/Ide/Plugin/CallHierarchy/Query.hs b/src/Ide/Plugin/CallHierarchy/Query.hs
--- a/src/Ide/Plugin/CallHierarchy/Query.hs
+++ b/src/Ide/Plugin/CallHierarchy/Query.hs
@@ -11,8 +11,7 @@
 import qualified Data.Text                      as T
 import           Database.SQLite.Simple
 import           Development.IDE.GHC.Compat
-import           HieDb                          (HieDb (getConn), Symbol (..),
-                                                 toNsChar)
+import           HieDb                          (HieDb (getConn), Symbol (..))
 import           Ide.Plugin.CallHierarchy.Types
 
 incomingCalls :: HieDb -> Symbol -> IO [Vertex]
@@ -73,9 +72,9 @@
             ]
         ) (occ, sl, sc, sl, el, ec, el)
 
-parseSymbol :: Symbol -> (String, String, String)
+parseSymbol :: Symbol -> (OccName, ModuleName, Unit)
 parseSymbol Symbol{..} =
-    let o = toNsChar (occNameSpace symName) : occNameString symName
-        m = moduleNameString $ moduleName symModule
-        u = unitString $ moduleUnit symModule
+    let o = symName
+        m = moduleName symModule
+        u = moduleUnit symModule
     in  (o, m, u)