diff --git a/src/platform/linux/uhid_backend.cpp b/src/platform/linux/uhid_backend.cpp
index d15fc83..67a40ab 100644
--- a/src/platform/linux/uhid_backend.cpp
+++ b/src/platform/linux/uhid_backend.cpp
@@ -649,8 +649,13 @@ namespace lvh::detail {
       return it->second;
     }
 
+    /**
+     * @brief Convert a virtual key to a Linux key code, including the ABNT2 extra slash key.
+     * @param key_code Windows virtual key or an extended editing key code.
+     * @return Linux key code, or -1 when the key is unsupported.
+     */
     int key_code_to_linux(KeyboardKeyCode key_code) {
-      static constexpr std::array<std::pair<KeyboardKeyCode, int>, 52> special_keys {{
+      static constexpr std::array<std::pair<KeyboardKeyCode, int>, 53> special_keys {{
         {0x08, KEY_BACKSPACE},
         {0x09, KEY_TAB},
         {0x0D, KEY_ENTER},
@@ -694,6 +699,7 @@ namespace lvh::detail {
         {0xBE, KEY_DOT},
         {0xBF, KEY_SLASH},
         {0xC0, KEY_GRAVE},
+        {0xC1, KEY_RO},
         {0xDB, KEY_LEFTBRACE},
         {0xDC, KEY_BACKSLASH},
         {0xDD, KEY_RIGHTBRACE},
diff --git a/tests/unit/test_linux_backend.cpp b/tests/unit/test_linux_backend.cpp
index ae06648..b2b2273 100644
--- a/tests/unit/test_linux_backend.cpp
+++ b/tests/unit/test_linux_backend.cpp
@@ -101,6 +101,7 @@ TEST_F(LinuxBackendTest, TranslatesKeyboardKeys) {
   EXPECT_EQ(lvh::detail::test::linux_key_code(0xBE), KEY_DOT);
   EXPECT_EQ(lvh::detail::test::linux_key_code(0xBF), KEY_SLASH);
   EXPECT_EQ(lvh::detail::test::linux_key_code(0xC0), KEY_GRAVE);
+  EXPECT_EQ(lvh::detail::test::linux_key_code(0xC1), KEY_RO);
   EXPECT_EQ(lvh::detail::test::linux_key_code(0xDB), KEY_LEFTBRACE);
   EXPECT_EQ(lvh::detail::test::linux_key_code(0xDC), KEY_BACKSLASH);
   EXPECT_EQ(lvh::detail::test::linux_key_code(0xDD), KEY_RIGHTBRACE);
@@ -399,6 +400,19 @@ TEST_F(LinuxBackendTest, PipeBackedUinputKeyboardEmitsComposeKey) {
   }
 }
 
+TEST_F(LinuxBackendTest, PipeBackedUinputKeyboardEmitsAbnt2SlashKey) {
+  for (const auto pressed : {true, false}) {
+    const auto result = lvh::detail::test::linux_uinput_keyboard_submit_pipe({.key_code = 0xC1, .pressed = pressed});
+    ASSERT_TRUE(result.status.ok()) << result.status.message();
+    ASSERT_EQ(result.events.size(), 2U);
+    EXPECT_EQ(result.events[0].type, EV_KEY);
+    EXPECT_EQ(result.events[0].code, KEY_RO);
+    EXPECT_EQ(result.events[0].value, pressed ? 1 : 0);
+    EXPECT_EQ(result.events[1].type, EV_SYN);
+    EXPECT_EQ(result.events[1].code, SYN_REPORT);
+  }
+}
+
 TEST_F(LinuxBackendTest, UinputKeyboardEmitsOnlySubmittedKeyTransitions) {
   const auto default_interval = lvh::CreateKeyboardOptions {}.auto_repeat_interval_ms;
   for (const auto interval_ms : {0U, 1U, default_interval}) {
@@ -1270,7 +1284,7 @@ TEST_F(LinuxBackendTest, FakeUinputConstructionCoversCapabilitiesAndFailureBranc
   EXPECT_EQ(keyboard.name, lvh::profiles::keyboard().name);
   EXPECT_EQ(keyboard.bustype, BUS_USB);
   EXPECT_TRUE(has_type(keyboard, EV_KEY));
-  for (const auto code : {KEY_A, KEY_ENTER, KEY_LEFTSHIFT, KEY_F1, KEY_VOLUMEUP, KEY_OK}) {
+  for (const auto code : {KEY_A, KEY_ENTER, KEY_LEFTSHIFT, KEY_RO, KEY_F1, KEY_VOLUMEUP, KEY_OK}) {
     EXPECT_NE(find_code(keyboard, EV_KEY, code), nullptr) << code;
   }
   for (const auto code : {BTN_LEFT, BTN_SOUTH, BTN_TOOL_PEN, BTN_TOUCH}) {