diff --git a/modules/transliteration-decoder/index.py b/modules/transliteration-decoder/index.py
index cd955c1..1367952 100644
--- a/modules/transliteration-decoder/index.py
+++ b/modules/transliteration-decoder/index.py
@@ -1,11 +1,18 @@
-if self.MESSAGE['text'].split()[0] == "!decode" and (2 <= len(self.MESSAGE['text'].split(" ", 2)) <= 3):
+cmd = self.MESSAGE['text'].split(" ", 2)
+l = len(cmd)
+
+if (cmd[0] in self.aliases) and (1 <= l <= 3):
     try:
         models = json.loads(readfile(self.path + "translate_models.json"))
-        chosen_model = self.MESSAGE['text'].split(" ", 2)[1]
 
-        if len(self.MESSAGE['text'].split(" ", 2)) == 3:
-            t = self.MESSAGE['text'].split(" ", 2)[2]
-        elif len(self.MESSAGE['text'].split(" ", 2)) == 2:
+        if l == 1:
+            chosen_model = "cz-ua"
+        else:
+            chosen_model = cmd[1]
+
+        if l == 3:
+            t = cmd[2]
+        else:
             t = self.MESSAGE['reply_to_message']['text']
     
         translated_t = t
@@ -18,5 +25,6 @@ if self.MESSAGE['text'].split()[0] == "!decode" and (2 <= len(self.MESSAGE['text
                 translated_t = translated_t.replace(i[0].upper(), i[1].upper())
     
             self.RESPONCE = f"Результат: {translated_t}"
+
     except Exception as e:
         print(f"[translit-decoder] Got exception: {e}")
diff --git a/modules/transliteration-decoder/meta.json b/modules/transliteration-decoder/meta.json
index 4bcbdeb..94db3ee 100644
--- a/modules/transliteration-decoder/meta.json
+++ b/modules/transliteration-decoder/meta.json
@@ -2,5 +2,6 @@
     "version": 1,
     "index_file": "index.py",
     "start_on_boot": true,
-    "alias": "translit-decoder"
+    "alias": "translit-decoder",
+    "predefine": "predefine.py"
 }
diff --git a/modules/transliteration-decoder/predefine.py b/modules/transliteration-decoder/predefine.py
new file mode 100644
index 0000000..cb45e84
--- /dev/null
+++ b/modules/transliteration-decoder/predefine.py
@@ -0,0 +1 @@
+self.aliases = ["!decode", "!dc"]