diff --git a/website/partners/api/v2/serializers/partner.py b/website/partners/api/v2/serializers/partner.py
index 97eaa66d8..8bf3dc9fd 100644
--- a/website/partners/api/v2/serializers/partner.py
+++ b/website/partners/api/v2/serializers/partner.py
@@ -25,5 +25,7 @@ class Meta:
 
     company_profile = CleanedHTMLSerializer()
     logo = ThumbnailSerializer(
-        size_small="fit_small", size_medium="fit_medium", size_large="fit_large"
+        size_small="fit_small",
+        size_medium="fit_medium",
+        size_large="fit_large",
     )
diff --git a/website/partners/api/v2/serializers/vacancy.py b/website/partners/api/v2/serializers/vacancy.py
index f07cfd0ce..be4ae160a 100644
--- a/website/partners/api/v2/serializers/vacancy.py
+++ b/website/partners/api/v2/serializers/vacancy.py
@@ -33,6 +33,10 @@ class Meta:
     company_logo = serializers.SerializerMethodField("_company_logo")
 
     def _company_logo(self, instance):
-        return ThumbnailSerializer().to_representation(instance.get_company_logo())
+        return ThumbnailSerializer(
+            size_small="fit_small",
+            size_medium="fit_medium",
+            size_large="fit_large",
+        ).to_representation(instance.get_company_logo())
 
     categories = VacancyCategorySerializer(many=True)