diff --git a/hub/services/models/pricing.py b/hub/services/models/pricing.py
index 4079d16..dc557ea 100644
--- a/hub/services/models/pricing.py
+++ b/hub/services/models/pricing.py
@@ -398,7 +398,7 @@ class ExternalPricePlans(models.Model):
         Service, on_delete=models.CASCADE, related_name="external_price"
     )
     compare_to = models.ManyToManyField(
-        ComputePlan, related_name="external_prices", blank=True, null=True
+        ComputePlan, related_name="external_prices", blank=True
     )
     vshn_appcat_price = models.ForeignKey(
         VSHNAppCatPrice,