diff --git a/bazarr/api/system/settings.py b/bazarr/api/system/settings.py
index 50f5d7473..8cdbc90f3 100644
--- a/bazarr/api/system/settings.py
+++ b/bazarr/api/system/settings.py
@@ -70,8 +70,8 @@ class SystemSettings(Resource):
                         TableLanguagesProfiles.name: item['name'],
                         TableLanguagesProfiles.cutoff: item['cutoff'] if item['cutoff'] != 'null' else None,
                         TableLanguagesProfiles.items: json.dumps(item['items']),
-                        TableLanguagesProfiles.mustContain: item['must_contain'],
-                        TableLanguagesProfiles.mustNotContain: item['must_not_contain'],
+                        TableLanguagesProfiles.mustContain: item['mustContain'],
+                        TableLanguagesProfiles.mustNotContain: item['mustNotContain'],
                     }).execute()
             for profileId in existing:
                 # Unassign this profileId from series and movies
diff --git a/frontend/src/Settings/Languages/table.tsx b/frontend/src/Settings/Languages/table.tsx
index 09c75d138..10b71ca60 100644
--- a/frontend/src/Settings/Languages/table.tsx
+++ b/frontend/src/Settings/Languages/table.tsx
@@ -172,6 +172,8 @@ const Table: FunctionComponent = () => {
             name: "",
             items: [],
             cutoff: null,
+            mustContain: [],
+            mustNotContain: [],
           };
           showModal("profile", profile);
         }}