3 files changed, 3 insertions, 3 deletions
diff --git a/nixos/modules/tasks/filesystems.nix b/nixos/modules/tasks/filesystems.nix
index ce8d6079faa..ce21d9fe762 100644
--- a/nixos/modules/tasks/filesystems.nix
+++ b/nixos/modules/tasks/filesystems.nix
@@ -121,7 +121,7 @@ in
     boot.supportedFilesystems = mkOption {
       default = [ ];
       example = [ "btrfs" ];
-      type = types.listOf types.string;
+      type = types.listOf types.str;
       description = "Names of supported filesystem types.";
     };
 
diff --git a/nixos/modules/tasks/kbd.nix b/nixos/modules/tasks/kbd.nix
index 8d26998021d..69f004888f5 100644
--- a/nixos/modules/tasks/kbd.nix
+++ b/nixos/modules/tasks/kbd.nix
@@ -22,7 +22,7 @@ in
     # FIXME: still needed?
     boot.extraTTYs = mkOption {
       default = [];
-      type = types.listOf types.string;
+      type = types.listOf types.str;
       example = ["tty8" "tty9"];
       description = ''
         Tty (virtual console) devices, in addition to the consoles on
diff --git a/nixos/modules/tasks/network-interfaces.nix b/nixos/modules/tasks/network-interfaces.nix
index 71a721abba2..6361ed2cc43 100644
--- a/nixos/modules/tasks/network-interfaces.nix
+++ b/nixos/modules/tasks/network-interfaces.nix
@@ -392,7 +392,7 @@ in
 
         interfaces = mkOption {
           example = [ "eth0" "eth1" ];
-          type = types.listOf types.string;
+          type = types.listOf types.str;
           description =
             "The physical network interfaces connected by the bridge.";
         };