diff --git a/backend/apps/ollama/main.py b/backend/apps/ollama/main.py
index 39106ac17..6bea03ab8 100644
--- a/backend/apps/ollama/main.py
+++ b/backend/apps/ollama/main.py
@@ -33,7 +33,13 @@ from constants import ERROR_MESSAGES
 from utils.utils import decode_token, get_current_user, get_admin_user
 
 
-from config import SRC_LOG_LEVELS, OLLAMA_BASE_URLS, MODEL_FILTER_ENABLED, MODEL_FILTER_LIST, UPLOAD_DIR
+from config import (
+    SRC_LOG_LEVELS,
+    OLLAMA_BASE_URLS,
+    MODEL_FILTER_ENABLED,
+    MODEL_FILTER_LIST,
+    UPLOAD_DIR,
+)
 from utils.misc import calculate_sha256
 
 log = logging.getLogger(__name__)
@@ -203,7 +209,8 @@ async def get_ollama_versions(url_idx: Optional[int] = None):
 
         if len(responses) > 0:
             lowest_version = min(
-                responses, key=lambda x: tuple(map(int, x["version"].replace("-rc", ".").split(".")))
+                responses,
+                key=lambda x: tuple(map(int, x["version"].split("-")[0].split("."))),
             )
 
             return {"version": lowest_version["version"]}
@@ -770,7 +777,11 @@ async def generate_chat_completion(
 
     r = None
 
-    log.debug("form_data.model_dump_json(exclude_none=True).encode(): {0} ".format(form_data.model_dump_json(exclude_none=True).encode()))
+    log.debug(
+        "form_data.model_dump_json(exclude_none=True).encode(): {0} ".format(
+            form_data.model_dump_json(exclude_none=True).encode()
+        )
+    )
 
     def get_request():
         nonlocal form_data