diff --git a/pkgs/development/tools/haskell/ihaskell/wrapper.nix b/pkgs/development/tools/haskell/ihaskell/wrapper.nix
index 21984b6e8da4..d33fb0fa5bf7 100644
--- a/pkgs/development/tools/haskell/ihaskell/wrapper.nix
+++ b/pkgs/development/tools/haskell/ihaskell/wrapper.nix
@@ -14,9 +14,7 @@ let
     [
       self.ihaskell
       self.ihaskell-blaze
-      # Doesn't work with latest ihaskell versions missing an unrelated change
-      # https://github.com/IHaskell/IHaskell/issues/1378
-      # self.ihaskell-diagrams
+      self.ihaskell-diagrams
     ]
     ++ packages self
   );