diff --git a/src-python/model.py b/src-python/model.py
index 0ef25d52..d446b2c1 100644
--- a/src-python/model.py
+++ b/src-python/model.py
@@ -106,8 +106,8 @@ class Model:
     def changeTranslatorCTranslate2Model(self):
         self.translator.changeCTranslate2Model(config.PATH_LOCAL, config.CTRANSLATE2_WEIGHT_TYPE)
 
-    def downloadCTranslate2ModelWeight(self, callback=None):
-        return downloadCTranslate2Weight(config.PATH_LOCAL, config.CTRANSLATE2_WEIGHT_TYPE, callback)
+    def downloadCTranslate2ModelWeight(self, callbackFunc=None):
+        return downloadCTranslate2Weight(config.PATH_LOCAL, config.CTRANSLATE2_WEIGHT_TYPE, callbackFunc)
 
     def isLoadedCTranslate2Model(self):
         return self.translator.isLoadedCTranslate2Model()
@@ -115,8 +115,8 @@ class Model:
     def checkTranscriptionWhisperModelWeight(self):
         return checkWhisperWeight(config.PATH_LOCAL, config.WHISPER_WEIGHT_TYPE)
 
-    def downloadWhisperModelWeight(self, callback=None):
-        return downloadWhisperWeight(config.PATH_LOCAL, config.WHISPER_WEIGHT_TYPE, callback)
+    def downloadWhisperModelWeight(self, callbackFunc=None):
+        return downloadWhisperWeight(config.PATH_LOCAL, config.WHISPER_WEIGHT_TYPE, callbackFunc)
 
     def resetKeywordProcessor(self):
         del self.keyword_processor
diff --git a/src-python/models/transcription/transcription_whisper.py b/src-python/models/transcription/transcription_whisper.py
index 8334f952..bb18d45e 100644
--- a/src-python/models/transcription/transcription_whisper.py
+++ b/src-python/models/transcription/transcription_whisper.py
@@ -65,6 +65,7 @@ def downloadWhisperWeight(root, weight_type, callbackFunc):
     path = os_path.join(root, "weights", "whisper", weight_type)
     os_makedirs(path, exist_ok=True)
     if checkWhisperWeight(root, weight_type) is True:
+        callbackFunc(1)
         return
 
     for filename in _FILENAMES:
diff --git a/src-python/models/translation/translation_utils.py b/src-python/models/translation/translation_utils.py
index 4d273add..13b52571 100644
--- a/src-python/models/translation/translation_utils.py
+++ b/src-python/models/translation/translation_utils.py
@@ -59,13 +59,14 @@ def checkCTranslate2Weight(path, weight_type="Small"):
         already_downloaded = True
     return already_downloaded
 
-def downloadCTranslate2Weight(root, weight_type="Small", func=None):
+def downloadCTranslate2Weight(root, weight_type="Small", callbackFunc=None):
     url = ctranslate2_weights[weight_type]["url"]
     filename = "weight.zip"
     path = os_path.join(root, "weights", "ctranslate2")
     os_makedirs(path, exist_ok=True)
 
     if checkCTranslate2Weight(path, weight_type):
+        callbackFunc(1)
         return
 
     try:
@@ -76,9 +77,9 @@ def downloadCTranslate2Weight(root, weight_type="Small", func=None):
             with open(os_path.join(tmp_path, filename), 'wb') as file:
                 for chunk in res.iter_content(chunk_size=1024*5):
                     file.write(chunk)
-                    if isinstance(func, Callable):
+                    if isinstance(callbackFunc, Callable):
                         total_chunk += len(chunk)
-                        func(total_chunk/file_size)
+                        callbackFunc(total_chunk/file_size)
 
             with ZipFile(os_path.join(tmp_path, filename)) as zf:
                 zf.extractall(path)