diff --git a/src/input/input_handler.cpp b/src/input/input_handler.cpp
index 00523ce0b..eea3d2169 100644
--- a/src/input/input_handler.cpp
+++ b/src/input/input_handler.cpp
@@ -412,7 +412,7 @@ void ParseInputConfig(const std::string game_id = "") {
 u32 GetMouseWheelEvent(const SDL_Event& event) {
     if (event.type != SDL_EVENT_MOUSE_WHEEL && event.type != SDL_EVENT_MOUSE_WHEEL_OFF) {
         LOG_WARNING(Input, "Something went wrong with wheel input parsing!");
-        return SDL_INVALID_ID;
+        return SDL_UNMAPPED;
     }
     if (event.wheel.y > 0) {
         return SDL_MOUSE_WHEEL_UP;
@@ -423,7 +423,7 @@ u32 GetMouseWheelEvent(const SDL_Event& event) {
     } else if (event.wheel.x < 0) {
         return SDL_MOUSE_WHEEL_LEFT;
     }
-    return SDL_INVALID_ID;
+    return SDL_UNMAPPED;
 }
 
 InputEvent InputBinding::GetInputEventFromSDLEvent(const SDL_Event& e) {
@@ -574,7 +574,7 @@ void ControllerOutput::FinalizeUpdate() {
 bool UpdatePressedKeys(InputEvent event) {
     // Skip invalid inputs
     InputID input = event.input;
-    if (input.sdl_id == SDL_INVALID_ID) {
+    if (input.sdl_id == SDL_UNMAPPED) {
         return false;
     }
     if (input.type == InputType::Axis) {
diff --git a/src/input/input_handler.h b/src/input/input_handler.h
index 313aafd1c..156918635 100644
--- a/src/input/input_handler.h
+++ b/src/input/input_handler.h
@@ -32,7 +32,7 @@
 
 #define KEY_TOGGLE 0x00200000
 
-#define SDL_INVALID_ID UINT32_MAX
+#define SDL_UNMAPPED UINT32_MAX - 1
 
 namespace Input {
 using Input::Axis;
@@ -51,7 +51,7 @@ class InputID {
 public:
     InputType type;
     u32 sdl_id;
-    InputID(InputType d = InputType::Count, u32 i = SDL_INVALID_ID) : type(d), sdl_id(i) {}
+    InputID(InputType d = InputType::Count, u32 i = SDL_UNMAPPED) : type(d), sdl_id(i) {}
     bool operator==(const InputID& o) const {
         return type == o.type && sdl_id == o.sdl_id;
     }
@@ -259,6 +259,7 @@ const std::map<std::string, u32> string_to_keyboard_key_map = {
     {"mousewheeldown", SDL_MOUSE_WHEEL_DOWN},
     {"mousewheelleft", SDL_MOUSE_WHEEL_LEFT},
     {"mousewheelright", SDL_MOUSE_WHEEL_RIGHT},
+    {"unmapped", SDL_UNMAPPED},
 };
 
 void ParseInputConfig(const std::string game_id);