diff --git a/rapids/migrations/0038_alter_rapidimage_image_md5_hash.py b/rapids/migrations/0038_alter_rapidimage_image_md5_hash.py
new file mode 100644
index 00000000..f72eef2f
--- /dev/null
+++ b/rapids/migrations/0038_alter_rapidimage_image_md5_hash.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.4 on 2021-11-21 10:29
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rapids', '0037_auto_20211121_1020'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='rapidimage',
+            name='image_md5_hash',
+            field=models.CharField(blank=True, max_length=32, null=True),
+        ),
+    ]
diff --git a/rapids/models.py b/rapids/models.py
index c328cb85..01e535a4 100644
--- a/rapids/models.py
+++ b/rapids/models.py
@@ -437,7 +437,7 @@ class RapidImage(models.Model):
 
     feedback_image = models.BooleanField(default=False)
 
-    image_md5_hash = models.CharField(max_length=32, null=True)
+    image_md5_hash = models.CharField(max_length=32, null=True, blank=True)
 
     is_dicom = models.BooleanField(default=False)