diff --git a/acros/migrations/0042_auto_20200718_2017.py b/acros/migrations/0042_auto_20200718_2017.py
new file mode 100644
index 0000000..0f6941b
--- /dev/null
+++ b/acros/migrations/0042_auto_20200718_2017.py
@@ -0,0 +1,23 @@
+# Generated by Django 3.0.8 on 2020-07-18 20:17
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('acros', '0041_auto_20200718_1937'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='wikipediaimage',
+            name='credit',
+            field=models.TextField(blank=True, null=True),
+        ),
+        migrations.AlterField(
+            model_name='wikipediaimage',
+            name='thumbnail',
+            field=models.ImageField(blank=True, null=True, upload_to='wikipedia_images/'),
+        ),
+    ]
diff --git a/acros/models/WikipediaImage.py b/acros/models/WikipediaImage.py
index b52dcb4..2753f00 100644
--- a/acros/models/WikipediaImage.py
+++ b/acros/models/WikipediaImage.py
@@ -15,7 +15,7 @@ class WikipediaImage(models.Model):
     thumb_height = models.IntegerField(blank=True, editable=False, null=True)
     imageurl = models.URLField()
     caption = models.CharField(max_length=1000, null=True, blank=True)
-    credit = models.TextField()
+    credit = models.TextField(null=True, blank=True)
     artist = models.TextField()
     license_short_name = models.TextField()
     attribution = models.TextField(null=True, blank=True)
diff --git a/acros/utils/apis.py b/acros/utils/apis.py
index 71e86f3..852bd39 100644
--- a/acros/utils/apis.py
+++ b/acros/utils/apis.py
@@ -101,9 +101,9 @@ class WikipediaImageAPIObject:
         return clean_html(self.extmetadata["ImageDescription"]["value"])
 
     @property
-    def credit(self) -> str:
-        print(self.extmetadata["Credit"])
-        return clean_html(self.extmetadata["Credit"]["value"])
+    def credit(self) -> Optional[str]:
+        if "Credit" in self.extmetadata:
+            return clean_html(self.extmetadata["Credit"]["value"])
 
     @property
     def artist(self) -> str: