diff --git a/autogen/lua_definitions/functions.lua b/autogen/lua_definitions/functions.lua
index b8e0db719..f0b455c1c 100644
--- a/autogen/lua_definitions/functions.lua
+++ b/autogen/lua_definitions/functions.lua
@@ -5230,7 +5230,7 @@ function pressed_pause()
     -- ...
 end
 
---- @param arg integer
+--- @param arg SpecialWarpDestinations
 --- @param color integer
 --- Fades into a special warp with `arg` and using `color`
 function fade_into_special_warp(arg, color)
diff --git a/docs/lua/functions-3.md b/docs/lua/functions-3.md
index 9a2f7202f..edef0a319 100644
--- a/docs/lua/functions-3.md
+++ b/docs/lua/functions-3.md
@@ -6994,14 +6994,14 @@ Fades into a special warp with `arg` and using `color`
 ### Parameters
 | Field | Type |
 | ----- | ---- |
-| arg | `integer` |
+| arg | [enum SpecialWarpDestinations](constants.md#enum-SpecialWarpDestinations) |
 | color | `integer` |
 
 ### Returns
 - None
 
 ### C Prototype
-`void fade_into_special_warp(u32 arg, u32 color);`
+`void fade_into_special_warp(enum SpecialWarpDestinations arg, u32 color);`
 
 [:arrow_up_small:](#)
 
diff --git a/src/game/level_update.c b/src/game/level_update.c
index 73718ded5..08853b343 100644
--- a/src/game/level_update.c
+++ b/src/game/level_update.c
@@ -277,7 +277,7 @@ void warp_special(enum SpecialWarpDestinations arg) {
     sSpecialWarpDest = arg;
 }
 
-void fade_into_special_warp(u32 arg, u32 color) {
+void fade_into_special_warp(enum SpecialWarpDestinations arg, u32 color) {
     if (color != 0) {
         color = 0xFF;
     }
diff --git a/src/game/level_update.h b/src/game/level_update.h
index 0315bc05c..ce62bc733 100644
--- a/src/game/level_update.h
+++ b/src/game/level_update.h
@@ -183,7 +183,7 @@ u16 level_control_timer(s32 timerOp);
 /* |description|Checks if the start button has been pressed as well as some other conditions for opening the pause menu depending on if pause anywhere is enabled|descriptionEnd|*/
 bool pressed_pause(void);
 /* |description|Fades into a special warp with `arg` and using `color`|descriptionEnd| */
-void fade_into_special_warp(u32 arg, u32 color);
+void fade_into_special_warp(enum SpecialWarpDestinations arg, u32 color);
 void load_level_init_text(u32 arg);
 void warp_credits(void);
 /* |description|Gets an instant warp from the current area's instant warp array (0-3)|descriptionEnd| */
diff --git a/src/pc/lua/smlua_functions_autogen.c b/src/pc/lua/smlua_functions_autogen.c
index 2cd3091a8..1403695fb 100644
--- a/src/pc/lua/smlua_functions_autogen.c
+++ b/src/pc/lua/smlua_functions_autogen.c
@@ -15408,7 +15408,7 @@ int smlua_func_fade_into_special_warp(lua_State* L) {
         return 0;
     }
 
-    u32 arg = smlua_to_integer(L, 1);
+    int arg = smlua_to_integer(L, 1);
     if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 1, "fade_into_special_warp"); return 0; }
     u32 color = smlua_to_integer(L, 2);
     if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 2, "fade_into_special_warp"); return 0; }