diff --git a/Iceshrimp.Backend/Controllers/Web/AdminController.cs b/Iceshrimp.Backend/Controllers/Web/AdminController.cs
index f87bd63a..bcac9823 100644
--- a/Iceshrimp.Backend/Controllers/Web/AdminController.cs
+++ b/Iceshrimp.Backend/Controllers/Web/AdminController.cs
@@ -14,6 +14,7 @@ using Iceshrimp.Backend.Core.Helpers;
 using Iceshrimp.Backend.Core.Middleware;
 using Iceshrimp.Backend.Core.Services;
 using Iceshrimp.Backend.Core.Tasks;
+using Iceshrimp.Shared.Configuration;
 using Iceshrimp.Shared.Schemas.Web;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
@@ -207,14 +208,13 @@ public class AdminController(
 		string name, [SwaggerBodyExample("{\n  \"enabled\": true\n}")] JsonDocument body
 	)
 	{
-		// @formatter:off
 		var type = await policySvc.GetConfigurationType(name) ?? throw GracefulException.NotFound("Policy not found");
-		var data = body.Deserialize(type) as IPolicyConfiguration ?? throw GracefulException.BadRequest("Invalid policy config");
-		if (data.GetType() != type) throw GracefulException.BadRequest("Invalid policy config");
-		// @formatter:on
+		var data = body.Deserialize(type, JsonSerialization.Options) as IPolicyConfiguration;
+		if (data?.GetType() != type) throw GracefulException.BadRequest("Invalid policy config");
+		var serialized = JsonSerializer.Serialize(data, type, JsonSerialization.Options);
 
 		await db.PolicyConfiguration
-		        .Upsert(new PolicyConfiguration { Name = name, Data = JsonSerializer.Serialize(data) })
+		        .Upsert(new PolicyConfiguration { Name = name, Data = serialized })
 		        .On(p => new { p.Name })
 		        .RunAsync();
 
diff --git a/Iceshrimp.Backend/Core/Services/PolicyService.cs b/Iceshrimp.Backend/Core/Services/PolicyService.cs
index 7a1e709f..0f15f1e5 100644
--- a/Iceshrimp.Backend/Core/Services/PolicyService.cs
+++ b/Iceshrimp.Backend/Core/Services/PolicyService.cs
@@ -4,6 +4,7 @@ using System.Text.Json;
 using Iceshrimp.AssemblyUtils;
 using Iceshrimp.Backend.Core.Database;
 using Iceshrimp.Backend.Core.Helpers;
+using Iceshrimp.Shared.Configuration;
 using Microsoft.EntityFrameworkCore;
 
 namespace Iceshrimp.Backend.Core.Services;
@@ -52,7 +53,8 @@ public class PolicyService(IServiceScopeFactory scopeFactory)
 				                     config.Name);
 
 			if (match == null) continue;
-			var deserialized = JsonSerializer.Deserialize(config.Data, match) as IPolicyConfiguration;
+			var deserialized =
+				JsonSerializer.Deserialize(config.Data, match, JsonSerialization.Options) as IPolicyConfiguration;
 			if (deserialized?.Apply() is { } policy) policies.Add(policy);
 		}