diff --git a/autogen/convert_functions.py b/autogen/convert_functions.py
index 63bb597db..75b5a8be7 100644
--- a/autogen/convert_functions.py
+++ b/autogen/convert_functions.py
@@ -174,6 +174,22 @@ vec_type_after = """
     smlua_push_%s($[IDENTIFIER], $[INDEX]);
 """
 
+#
+# Special cases for sound functions
+#
+
+SOUND_FUNCTIONS = [
+    "play_sound",
+    "play_sound_with_freq_scale",
+    "stop_sound",
+    "stop_sounds_from_source",
+]
+
+vec3f_sound_before = """
+    f32 *$[IDENTIFIER] = smlua_get_vec3f_from_buffer();
+    smlua_get_vec3f($[IDENTIFIER], $[INDEX]);
+"""
+
 ###########################################################
 
 manual_index_documentation = """
@@ -765,12 +781,15 @@ def build_vec_types():
 
 ############################################################################
 
-def build_param(param, i):
+def build_param(fid, param, i):
     ptype = alter_type(param['type'])
     pid = param['identifier']
 
     if ptype in VEC_TYPES:
-        return (vec_type_before % (ptype, ptype.lower())).replace('$[IDENTIFIER]', str(pid)).replace('$[INDEX]', str(i))
+        if ptype == "Vec3f" and fid in SOUND_FUNCTIONS:
+            return vec3f_sound_before.replace('$[IDENTIFIER]', str(pid)).replace('$[INDEX]', str(i))
+        else:
+            return (vec_type_before % (ptype, ptype.lower())).replace('$[IDENTIFIER]', str(pid)).replace('$[INDEX]', str(i))
     elif ptype == 'bool':
         return '    %s %s = smlua_to_boolean(L, %d);\n' % (ptype, pid, i)
     elif ptype in integer_types:
@@ -870,7 +889,7 @@ def build_function(function, do_extern):
         if is_interact_func and param['identifier'] == 'interactType':
             s += "    // interactType skipped so mods can't lie about what interaction it is\n"
         else:
-            s += build_param(param, i)
+            s += build_param(fid, param, i)
             s += '    if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %%u for function \'%%s\'", %d, "%s"); return 0; }\n' % (i, fid)
         i += 1
     s += '\n'
diff --git a/src/audio/external.c b/src/audio/external.c
index 21fda5f01..0bfefa31f 100644
--- a/src/audio/external.c
+++ b/src/audio/external.c
@@ -2331,6 +2331,7 @@ void stop_sound(u32 soundBits, f32 *pos) {
 void stop_sounds_from_source(f32 *pos) {
     MUTEX_LOCK(gAudioThread);
     
+    pos = smlua_get_vec3f_for_play_sound(pos);
     u8 bank;
     u8 soundIndex;
 
diff --git a/src/pc/lua/smlua_functions_autogen.c b/src/pc/lua/smlua_functions_autogen.c
index a46d64f67..86821215f 100644
--- a/src/pc/lua/smlua_functions_autogen.c
+++ b/src/pc/lua/smlua_functions_autogen.c
@@ -12938,7 +12938,7 @@ int smlua_func_play_sound(lua_State* L) {
     s32 soundBits = smlua_to_integer(L, 1);
     if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 1, "play_sound"); return 0; }
 
-    Vec3f pos;
+    f32 *pos = smlua_get_vec3f_from_buffer();
     smlua_get_vec3f(pos, 2);
     if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 2, "play_sound"); return 0; }
 
@@ -12961,7 +12961,7 @@ int smlua_func_play_sound_with_freq_scale(lua_State* L) {
     s32 soundBits = smlua_to_integer(L, 1);
     if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 1, "play_sound_with_freq_scale"); return 0; }
 
-    Vec3f pos;
+    f32 *pos = smlua_get_vec3f_from_buffer();
     smlua_get_vec3f(pos, 2);
     if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 2, "play_sound_with_freq_scale"); return 0; }
     f32 freqScale = smlua_to_number(L, 3);
@@ -13253,7 +13253,7 @@ int smlua_func_stop_sound(lua_State* L) {
     u32 soundBits = smlua_to_integer(L, 1);
     if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 1, "stop_sound"); return 0; }
 
-    Vec3f pos;
+    f32 *pos = smlua_get_vec3f_from_buffer();
     smlua_get_vec3f(pos, 2);
     if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 2, "stop_sound"); return 0; }
 
@@ -13274,7 +13274,7 @@ int smlua_func_stop_sounds_from_source(lua_State* L) {
     }
 
 
-    Vec3f pos;
+    f32 *pos = smlua_get_vec3f_from_buffer();
     smlua_get_vec3f(pos, 1);
     if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 1, "stop_sounds_from_source"); return 0; }