diff --git a/TTS/api.py b/TTS/api.py
index 540d5494..904653e8 100644
--- a/TTS/api.py
+++ b/TTS/api.py
@@ -130,7 +130,7 @@ class CS_API:
         for speaker in self.speakers:
             if speaker.name == name:
                 return speaker
-        raise ValueError(f"Speaker {name} not found.")
+        raise ValueError(f"Speaker {name} not found in {self.speakers}")
 
     def id_to_speaker(self, speaker_id):
         for speaker in self.speakers:
@@ -346,7 +346,7 @@ class TTS:
 
     def download_model_by_name(self, model_name: str):
         model_path, config_path, model_item = self.manager.download_model(model_name)
-        if "fairseq" in model_name or isinstance(model_item["github_rls_url"], list):
+        if "fairseq" in model_name or (model_item is not None and isinstance(model_item["github_rls_url"], list)):
             # return model directory if there are multiple files
             # we assume that the model knows how to load itself
             return None, None, None, None, model_path
diff --git a/TTS/utils/manage.py b/TTS/utils/manage.py
index a6a3705d..98e48a2a 100644
--- a/TTS/utils/manage.py
+++ b/TTS/utils/manage.py
@@ -252,6 +252,24 @@ class ModelManager(object):
         model_download_uri = os.path.join(URI_PREFIX, f"{lang}.tar.gz")
         self._download_tar_file(model_download_uri, output_path, self.progress_bar)
 
+    def _set_model_item(self, model_name):
+        # fetch model info from the dict
+        model_type, lang, dataset, model = model_name.split("/")
+        model_full_name = f"{model_type}--{lang}--{dataset}--{model}"
+        if "fairseq" in model_name:
+            model_item = {
+                "model_type": "tts_models",
+                "license": "CC BY-NC 4.0",
+                "default_vocoder": None,
+                "author": "fairseq",
+                "description": "this model is released by Meta under Fairseq repo. Visit https://github.com/facebookresearch/fairseq/tree/main/examples/mms for more info.",
+            }
+        else:
+            # get model from models.json
+            model_item = self.models_dict[model_type][lang][dataset][model]
+            model_item["model_type"] = model_type
+        return model_item, model_full_name, model
+
     def download_model(self, model_name):
         """Download model files given the full model name.
         Model name is in the format
@@ -266,10 +284,7 @@ class ModelManager(object):
         Args:
             model_name (str): model name as explained above.
         """
-        model_item = None
-        # fetch model info from the dict
-        model_type, lang, dataset, model = model_name.split("/")
-        model_full_name = f"{model_type}--{lang}--{dataset}--{model}"
+        model_item, model_full_name, model = self._set_model_item(model_name)
         # set the model specific output path
         output_path = os.path.join(self.output_prefix, model_full_name)
         if os.path.exists(output_path):
@@ -280,17 +295,7 @@ class ModelManager(object):
             # download from fairseq
             if "fairseq" in model_name:
                 self.download_fairseq_model(model_name, output_path)
-                model_item = {
-                    "model_type": "tts_models",
-                    "license": "CC BY-NC 4.0",
-                    "default_vocoder": None,
-                    "author": "fairseq",
-                    "description": "this model is released by Meta under Fairseq repo. Visit https://github.com/facebookresearch/fairseq/tree/main/examples/mms for more info.",
-                }
             else:
-                # get model from models.json
-                model_item = self.models_dict[model_type][lang][dataset][model]
-                model_item["model_type"] = model_type
                 # download from github release
                 if isinstance(model_item["github_rls_url"], list):
                     self._download_model_files(model_item["github_rls_url"], output_path, self.progress_bar)
diff --git a/tests/inference_tests/test_python_api.py b/tests/inference_tests/test_python_api.py
index 07e67967..2025fcd9 100644
--- a/tests/inference_tests/test_python_api.py
+++ b/tests/inference_tests/test_python_api.py
@@ -60,7 +60,7 @@ if is_coqui_available:
             self.assertIsNone(tts.languages)
 
         def test_studio_model(self):
-            tts = TTS(model_name="coqui_studio/en/Torcull Diarmuid/coqui_studio")
+            tts = TTS(model_name="coqui_studio/en/Zacharie Aimilios/coqui_studio")
             tts.tts_to_file(text="This is a test.")
 
             # check speed > 2.0 raises error