diff --git a/Base/res/keymaps/gb.json b/Base/res/keymaps/en-gb.json
similarity index 100%
rename from Base/res/keymaps/gb.json
rename to Base/res/keymaps/en-gb.json
diff --git a/Base/res/keymaps/en.json b/Base/res/keymaps/en-us.json
similarity index 100%
rename from Base/res/keymaps/en.json
rename to Base/res/keymaps/en-us.json
diff --git a/Base/res/keymaps/ptbr.json b/Base/res/keymaps/pt-br.json
similarity index 100%
rename from Base/res/keymaps/ptbr.json
rename to Base/res/keymaps/pt-br.json
diff --git a/Base/res/keymaps/ptpt.json b/Base/res/keymaps/pt-pt.json
similarity index 100%
rename from Base/res/keymaps/ptpt.json
rename to Base/res/keymaps/pt-pt.json
diff --git a/Base/usr/share/man/man1/keymap.md b/Base/usr/share/man/man1/keymap.md
index b75a1438d31..7f9c04f14b7 100644
--- a/Base/usr/share/man/man1/keymap.md
+++ b/Base/usr/share/man/man1/keymap.md
@@ -18,11 +18,11 @@ Loading by name will search for keyboard layout files in `/res/keymaps/*.json`.
 
 Load a keyboard layout by name:
 ```sh
-# keymap en
+# keymap en-us
 ```
 
 Load a keyboard layout using a file:
 ```sh
-# keymap /res/keymaps/en.json
+# keymap /res/keymaps/en-us.json
 # keymap ./map.json
 ```
diff --git a/Kernel/Devices/KeyboardDevice.cpp b/Kernel/Devices/KeyboardDevice.cpp
index eef7e8f59b5..e6c737e01b7 100644
--- a/Kernel/Devices/KeyboardDevice.cpp
+++ b/Kernel/Devices/KeyboardDevice.cpp
@@ -404,7 +404,7 @@ KeyboardDevice::KeyboardDevice()
     : IRQHandler(IRQ_KEYBOARD)
     , CharacterDevice(85, 1)
     , m_controller(I8042Controller::the())
-    , m_character_map("en", DEFAULT_CHARACTER_MAP)
+    , m_character_map("en-us", DEFAULT_CHARACTER_MAP)
 {
 }
 
diff --git a/Userland/Utilities/keymap.cpp b/Userland/Utilities/keymap.cpp
index 1f67810a365..024ca5eaa1b 100644
--- a/Userland/Utilities/keymap.cpp
+++ b/Userland/Utilities/keymap.cpp
@@ -73,7 +73,7 @@ int main(int argc, char** argv)
     auto character_map = Keyboard::CharacterMap::load_from_file(path);
     if (!character_map.has_value()) {
         warnln("Cannot read keymap {}", path);
-        warnln("Hint: Must be either a keymap name (e.g. 'en') or a full path.");
+        warnln("Hint: Must be either a keymap name (e.g. 'en-us') or a full path.");
         return 1;
     }