diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
index b09680574b04..a18ee496012a 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
@@ -55,10 +55,11 @@ self: super: {
   }) {};
 
   # https://github.com/ygale/timezone-series/issues/2
-  timezone-series = appendPatch super.timezone-series (pkgs.fetchpatch {
+  timezone-series_0_1_5_1 = appendPatch super.timezone-series_0_1_5_1 (pkgs.fetchpatch {
     url = "https://github.com/ryantrinkle/timezone-series/commit/f8dece8c016db6476e2bb0d4f972769a76f6ff40.patch";
     sha256 = "01wxhknsnn7lyl9v8viz7m5zhmyi3bqpbva7d3dx1dxn0nmkfh6a";
   });
+  timezone-series = self.timezone-series_0_1_5_1;
 
   # https://github.com/bmillwood/applicative-quoters/issues/6
   applicative-quoters = appendPatch super.applicative-quoters (pkgs.fetchpatch {