diff --git a/whispercpp.pyx b/whispercpp.pyx
index d1fc5d7..486e1fc 100644
--- a/whispercpp.pyx
+++ b/whispercpp.pyx
@@ -90,7 +90,7 @@ cdef class Whisper:
     cdef whisper_full_params params
 
     def __init__(self, model=DEFAULT_MODEL, pb=None):
-        model_fullname = f'model_ggml_{model}.bin'.encode('utf8')
+        model_fullname = f'ggml-{model}.bin'.encode('utf8')
         download_model(model_fullname)
         cdef bytes model_b = MODELS_DIR.encode('utf8')  + b'/' + model_fullname
         self.ctx = whisper_init(model_b)