diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix
index 1cd1aa63a55b..d3bbe7a8bd55 100644
--- a/nixos/tests/installer.nix
+++ b/nixos/tests/installer.nix
@@ -370,7 +370,7 @@ in {
   # Rebuild the CD configuration with a little modification.
   rebuildCD = makeTest
     { inherit iso;
-      name = "rebuild-CD";
+      name = "rebuild-cd";
       nodes = { };
       testScript =
         ''
diff --git a/nixos/tests/simple.nix b/nixos/tests/simple.nix
index 62d748d64296..1cd9058f9e54 100644
--- a/nixos/tests/simple.nix
+++ b/nixos/tests/simple.nix
@@ -1,5 +1,5 @@
 import ./make-test.nix {
-  name = "simple"
+  name = "simple";
 
   machine = { config, pkgs, ... }: { };