diff --git a/authentik/providers/oauth2/migrations/0013_alter_authorizationcode_nonce.py b/authentik/providers/oauth2/migrations/0013_alter_authorizationcode_nonce.py
new file mode 100644
index 000000000..8a9b5886b
--- /dev/null
+++ b/authentik/providers/oauth2/migrations/0013_alter_authorizationcode_nonce.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.3 on 2021-06-02 18:16
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("authentik_providers_oauth2", "0012_oauth2provider_access_code_validity"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="authorizationcode",
+            name="nonce",
+            field=models.TextField(blank=True, default="", verbose_name="Nonce"),
+        ),
+    ]
diff --git a/authentik/providers/oauth2/models.py b/authentik/providers/oauth2/models.py
index fc87a1fb8..30f84cf5e 100644
--- a/authentik/providers/oauth2/models.py
+++ b/authentik/providers/oauth2/models.py
@@ -337,9 +337,7 @@ class AuthorizationCode(ExpiringModel, BaseGrantModel):
     """OAuth2 Authorization Code"""
 
     code = models.CharField(max_length=255, unique=True, verbose_name=_("Code"))
-    nonce = models.CharField(
-        max_length=255, blank=True, default="", verbose_name=_("Nonce")
-    )
+    nonce = models.TextField(blank=True, default="", verbose_name=_("Nonce"))
     is_open_id = models.BooleanField(
         default=False, verbose_name=_("Is Authentication?")
     )