diff --git a/docker-compose-prod.yml b/docker-compose-prod.yml
index 07ecb552..535c5cdc 100644
--- a/docker-compose-prod.yml
+++ b/docker-compose-prod.yml
@@ -5,7 +5,7 @@ services:
     container_name: medcattrainer
     hostname: medcat
     restart: always
-    image: cogstacksystems/medcat-trainer:v2.17.0
+    image: cogstacksystems/medcat-trainer:v2.17.1
     volumes:
       - ./configs:/home/configs
       - api-media:/home/api/media
@@ -17,12 +17,12 @@ services:
     env_file:
       - ./envs/env-prod
     environment:
-      - MCT_VERSION=v2.17.0
+      - MCT_VERSION=v2.17.1
     command: /home/scripts/run.sh
 
   # crontab - for db backup
   medcattrainer-db-backup:
-    image: cogstacksystems/medcat-trainer:v2.17.0
+    image: cogstacksystems/medcat-trainer:v2.17.1
     restart: always
     volumes:
       - ./configs:/home/configs
diff --git a/docker-compose.yml b/docker-compose.yml
index a61c559d..4f226645 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,7 +3,7 @@
 
 services:
   medcattrainer:
-    image: cogstacksystems/medcat-trainer:v2.17.0
+    image: cogstacksystems/medcat-trainer:v2.17.1
     restart: always
     volumes:
       - ./configs:/home/configs
@@ -14,12 +14,12 @@ services:
     env_file:
       - ./envs/env
     environment:
-      - MCT_VERSION=v2.17.0
+      - MCT_VERSION=v2.17.1
     command: /home/scripts/run.sh
 
   # crontab - for db backup
   medcattrainer-db-backup:
-    image: cogstacksystems/medcat-trainer:v2.17.0
+    image: cogstacksystems/medcat-trainer:v2.17.1
     restart: always
     volumes:
       - ./configs:/home/configs
diff --git a/webapp/api/api/metrics.py b/webapp/api/api/metrics.py
index d9d2fe61..918f71da 100644
--- a/webapp/api/api/metrics.py
+++ b/webapp/api/api/metrics.py
@@ -43,7 +43,7 @@ def calculate_metrics(project_ids: List[int], report_name: str):
     """
     logger.info('Calculating metrics for report: %s', report_name)
     projects = [ProjectAnnotateEntities.objects.filter(id=p_id).first() for p_id in project_ids]
-    if projects[0].cdb is None:
+    if projects[0].model_pack:
         # assume the model pack is set.
         cat = CAT.load_model_pack(projects[0].model_pack.model_pack.path)
     else:
diff --git a/webapp/api/api/models.py b/webapp/api/api/models.py
index 0bfccd8c..e7749f0f 100644
--- a/webapp/api/api/models.py
+++ b/webapp/api/api/models.py
@@ -114,7 +114,7 @@ def save(self, *args, skip_load=False, **kwargs, ):
         # load the CDB, and raise if this fails.
         if not skip_load:
             try:
-                CDB.load(self.cdb_file)
+                CDB.load(self.cdb_file.path)
             except Exception as exc:
                 raise MedCATLoadException(f'Failed to load Concept DB from {self.cdb_file}, '
                                           f'check if this CDB file successfully loads elsewhere') from exc