diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix
index bd04ab7e6a8..8e2a6180602 100644
--- a/pkgs/development/haskell-modules/generic-builder.nix
+++ b/pkgs/development/haskell-modules/generic-builder.nix
@@ -271,7 +271,7 @@ stdenv.mkDerivation ({
     isHaskellLibrary = hasActiveLibrary;
 
     env = stdenv.mkDerivation {
-      name = "interactive-${optionalString (hasActiveLibrary && pname != "ghcjs") "haskell-"}${pname}-${version}-environment";
+      name = "interactive-${pname}-${version}-environment";
       nativeBuildInputs = [ ghcEnv systemBuildInputs ];
       LANG = "en_US.UTF-8";
       LOCALE_ARCHIVE = optionalString stdenv.isLinux "${glibcLocales}/lib/locale/locale-archive";