diff --git a/pkgs/development/libraries/haskell/libmpd/default.nix b/pkgs/development/libraries/haskell/libmpd/0.9.0.1.nix
similarity index 100%
rename from pkgs/development/libraries/haskell/libmpd/default.nix
rename to pkgs/development/libraries/haskell/libmpd/0.9.0.1.nix
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index e75c259452c..db227ae717a 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1492,10 +1492,12 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   libjenkins = callPackage ../development/libraries/haskell/libjenkins {};
 
-  libmpd = callPackage ../development/libraries/haskell/libmpd {};
-
   libmpd_0_8_0_5 = callPackage ../development/libraries/haskell/libmpd/0.8.0.5.nix {};
 
+  libmpd_0_9_0_1 = callPackage ../development/libraries/haskell/libmpd/0.9.0.1.nix {};
+
+  libmpd = self.libmpd_0_9_0_1;
+
   liblastfm = callPackage ../development/libraries/haskell/liblastfm {};
 
   libsystemdJournal = callPackage ../development/libraries/haskell/libsystemd-journal {