diff --git a/pkgs/top-level/release.nix b/pkgs/top-level/release.nix
index 5b1c554ce1d5..e9f0f9c9cd07 100644
--- a/pkgs/top-level/release.nix
+++ b/pkgs/top-level/release.nix
@@ -422,11 +422,15 @@ in {
     ghc = ghcSupported;
   };
 
-  haskellPackages_ghc6101 = {
+  haskellPackages_ghc6102 = {
     ghc = ghcSupported;
   };
 
-  haskellPackages_ghc6102 = {
+  haskellPackages_ghc6103 = {
+    ghc = ghcSupported;
+  };
+
+  haskellPackages_ghc6104 = {
     darcs = ghcSupported;
     ghc = ghcSupported;
     gtk2hs = linux;
@@ -436,10 +440,6 @@ in {
     xmonad = linux;
   };
 
-  haskellPackages_ghc6103 = {
-    ghc = ghcSupported;
-  };
-
   kde3 = {
     kdebase = linux;
     kdelibs = linux;