diff --git a/pkgs/top-level/guile-2-test.nix b/pkgs/top-level/guile-2-test.nix
index 004b75254a0..6341c82da73 100644
--- a/pkgs/top-level/guile-2-test.nix
+++ b/pkgs/top-level/guile-2-test.nix
@@ -62,7 +62,7 @@ in (mapTestOn {
   texmacs = linux;
   guileCairo = linux;
   guileGnome = linux;
-  guileLib = linux;
+  guile_lib = linux;
   guileLint = linux;
   gwrap = linux;
   swig = linux;