diff --git a/src/pc/lua/smlua_cobject.c b/src/pc/lua/smlua_cobject.c
index ee325baf9..f82b9b646 100644
--- a/src/pc/lua/smlua_cobject.c
+++ b/src/pc/lua/smlua_cobject.c
@@ -438,8 +438,9 @@ static int smlua__get_field(lua_State* L) {
             return 0;
         }
 
-        u32 key = lua_tointeger(L, 2);
-        if (!key) {
+        int isNum;
+        u32 key = lua_tointegerx(L, 2, &isNum);
+        if (!isNum) {
             const char *key = lua_tostring(L, 2);
             if (key && key[0] == '_') {
                 if (strcmp(key, "_lot") == 0) {
@@ -455,6 +456,11 @@ static int smlua__get_field(lua_State* L) {
             return 0;
         }
 
+        if (key == 0) {
+            LOG_LUA_LINE("Key is out of bounds for array: key '%u' (help: array starts at 1)", key);
+            return 0;
+        }
+
         key--; // Lua is +1 indexed
         if (key >= data->count) {
             LOG_LUA_LINE("Key is out of bounds for array: key '%u'", key);