diff --git a/autogen/convert_constants.py b/autogen/convert_constants.py
index 45621a60..8c6d6b59 100644
--- a/autogen/convert_constants.py
+++ b/autogen/convert_constants.py
@@ -29,7 +29,7 @@ in_files = [
 ]
 
 exclude_constants = {
-    '*': [ '^MAXCONTROLLERS$', '^LEVEL_.*', '^AREA_.*', '^CONT_ERR.*', '^READ_MASK$', '^SIGN_RANGE$', ]
+    '*': [ '^MAXCONTROLLERS$', '^LEVEL_.*', '^AREA_[^T].*', '^AREA_T[HTO]', '^CONT_ERR.*', '^READ_MASK$', '^SIGN_RANGE$', ]
 }
 
 include_constants = {
diff --git a/docs/lua/constants.md b/docs/lua/constants.md
index 7fb1190b..b5c2abd1 100644
--- a/docs/lua/constants.md
+++ b/docs/lua/constants.md
@@ -2658,6 +2658,13 @@
 - PLAY_MODE_NORMAL
 - PLAY_MODE_PAUSED
 
+### [enum AreaTimerType](#AreaTimerType)
+| Identifier | Value |
+| :--------- | :---- |
+| AREA_TIMER_TYPE_NONE | 0 |
+| AREA_TIMER_TYPE_LOOP | 1 |
+| AREA_TIMER_TYPE_MAXIMUM | 2 |
+
 ### [enum SpTaskState](#SpTaskState)
 | Identifier | Value |
 | :--------- | :---- |
diff --git a/src/pc/lua/smlua_constants_autogen.c b/src/pc/lua/smlua_constants_autogen.c
index b56647e0..783b59f8 100644
--- a/src/pc/lua/smlua_constants_autogen.c
+++ b/src/pc/lua/smlua_constants_autogen.c
@@ -2620,6 +2620,9 @@ char gSmluaConstants[] = ""
 "SPTASK_STATE_INTERRUPTED = 2\n"
 "SPTASK_STATE_FINISHED = 3\n"
 "SPTASK_STATE_FINISHED_DP = 4\n"
+"AREA_TIMER_TYPE_NONE = 0\n"
+"AREA_TIMER_TYPE_LOOP = 1\n"
+"AREA_TIMER_TYPE_MAXIMUM = 2\n"
 "ANIM_FLAG_NOLOOP = (1 << 0)\n"
 "ANIM_FLAG_FORWARD = (1 << 1)\n"
 "ANIM_FLAG_2 = (1 << 2)\n"