diff --git a/src/paperless/migrations/0005_applicationconfiguration_ai_enabled_and_more.py b/src/paperless/migrations/0005_applicationconfiguration_ai_enabled_and_more.py
index 0776091da..a0d46fc81 100644
--- a/src/paperless/migrations/0005_applicationconfiguration_ai_enabled_and_more.py
+++ b/src/paperless/migrations/0005_applicationconfiguration_ai_enabled_and_more.py
@@ -25,6 +25,7 @@ class Migration(migrations.Migration):
             field=models.CharField(
                 blank=True,
                 max_length=128,
+                null=True,
                 verbose_name="Sets the LLM API key",
             ),
         ),
@@ -35,6 +36,7 @@ class Migration(migrations.Migration):
                 blank=True,
                 choices=[("openai", "OpenAI"), ("ollama", "Ollama")],
                 max_length=32,
+                null=True,
                 verbose_name="Sets the LLM backend",
             ),
         ),
@@ -45,6 +47,7 @@ class Migration(migrations.Migration):
                 blank=True,
                 choices=[("openai", "OpenAI"), ("huggingface", "Huggingface")],
                 max_length=32,
+                null=True,
                 verbose_name="Sets the LLM embedding backend",
             ),
         ),
@@ -54,6 +57,7 @@ class Migration(migrations.Migration):
             field=models.CharField(
                 blank=True,
                 max_length=32,
+                null=True,
                 verbose_name="Sets the LLM embedding model",
             ),
         ),
@@ -63,6 +67,7 @@ class Migration(migrations.Migration):
             field=models.CharField(
                 blank=True,
                 max_length=32,
+                null=True,
                 verbose_name="Sets the LLM model",
             ),
         ),
@@ -72,6 +77,7 @@ class Migration(migrations.Migration):
             field=models.CharField(
                 blank=True,
                 max_length=128,
+                null=True,
                 verbose_name="Sets the LLM endpoint, optional",
             ),
         ),
diff --git a/src/paperless/models.py b/src/paperless/models.py
index e77e73bcc..61cb5f595 100644
--- a/src/paperless/models.py
+++ b/src/paperless/models.py
@@ -291,6 +291,7 @@ class ApplicationConfiguration(AbstractSingletonModel):
 
     llm_embedding_backend = models.CharField(
         verbose_name=_("Sets the LLM embedding backend"),
+        null=True,
         blank=True,
         max_length=32,
         choices=LLMEmbeddingBackend.choices,
@@ -298,12 +299,14 @@ class ApplicationConfiguration(AbstractSingletonModel):
 
     llm_embedding_model = models.CharField(
         verbose_name=_("Sets the LLM embedding model"),
+        null=True,
         blank=True,
         max_length=32,
     )
 
     llm_backend = models.CharField(
         verbose_name=_("Sets the LLM backend"),
+        null=True,
         blank=True,
         max_length=32,
         choices=LLMBackend.choices,
@@ -311,18 +314,21 @@ class ApplicationConfiguration(AbstractSingletonModel):
 
     llm_model = models.CharField(
         verbose_name=_("Sets the LLM model"),
+        null=True,
         blank=True,
         max_length=32,
     )
 
     llm_api_key = models.CharField(
         verbose_name=_("Sets the LLM API key"),
+        null=True,
         blank=True,
         max_length=128,
     )
 
     llm_endpoint = models.CharField(
         verbose_name=_("Sets the LLM endpoint, optional"),
+        null=True,
         blank=True,
         max_length=128,
     )