diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 27e3f8d89914..8984761c2fbb 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1443,7 +1443,9 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   leksah = callPackage ../applications/editors/leksah {};
 
-  xmobar = callPackage ../applications/misc/xmobar {};
+  xmobar = callPackage ../applications/misc/xmobar {
+    parsec = self.parsec3;
+  };
 
   xmonad = callPackage ../applications/window-managers/xmonad {};