diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 6ecaf116db24..7a4d4c4f10bd 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -2154,13 +2154,13 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   servant = callPackage ../development/libraries/haskell/servant {};
 
-  servant-pool = callPackage ../development/libraries/haskell/servant-pool {};
+  servantPool = callPackage ../development/libraries/haskell/servant-pool {};
 
-  servant-postgresql = callPackage ../development/libraries/haskell/servant-postgresql {};
+  servantPostgresql = callPackage ../development/libraries/haskell/servant-postgresql {};
 
-  servant-response = callPackage ../development/libraries/haskell/servant-response {};
+  servantResponse = callPackage ../development/libraries/haskell/servant-response {};
 
-  servant-scotty = callPackage ../development/libraries/haskell/servant-scotty {};
+  servantScotty = callPackage ../development/libraries/haskell/servant-scotty {};
 
   setenv = callPackage ../development/libraries/haskell/setenv {};