diff --git a/framework/src/Volo.Abp.BackgroundWorkers/Volo/Abp/BackgroundWorkers/InMemoryDynamicBackgroundWorker.cs b/framework/src/Volo.Abp.BackgroundWorkers/Volo/Abp/BackgroundWorkers/InMemoryDynamicBackgroundWorker.cs
index bab468a655..7bffb3895a 100644
--- a/framework/src/Volo.Abp.BackgroundWorkers/Volo/Abp/BackgroundWorkers/InMemoryDynamicBackgroundWorker.cs
+++ b/framework/src/Volo.Abp.BackgroundWorkers/Volo/Abp/BackgroundWorkers/InMemoryDynamicBackgroundWorker.cs
@@ -1,10 +1,12 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
+using Volo.Abp.DependencyInjection;
 using Volo.Abp.Threading;
 
 namespace Volo.Abp.BackgroundWorkers;
 
+[DisableConventionalRegistration]
 public class InMemoryDynamicBackgroundWorker : AsyncPeriodicBackgroundWorkerBase
 {
     public string WorkerName { get; }
diff --git a/framework/test/Volo.Abp.BackgroundJobs.Tests/Volo/Abp/BackgroundWorkers/InMemoryDynamicBackgroundWorker_Registration_Tests.cs b/framework/test/Volo.Abp.BackgroundJobs.Tests/Volo/Abp/BackgroundWorkers/InMemoryDynamicBackgroundWorker_Registration_Tests.cs
new file mode 100644
index 0000000000..677efbbc5e
--- /dev/null
+++ b/framework/test/Volo.Abp.BackgroundJobs.Tests/Volo/Abp/BackgroundWorkers/InMemoryDynamicBackgroundWorker_Registration_Tests.cs
@@ -0,0 +1,37 @@
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.Extensions.DependencyInjection;
+using Shouldly;
+using Xunit;
+
+namespace Volo.Abp.BackgroundWorkers;
+
+public class InMemoryDynamicBackgroundWorker_Registration_Tests
+{
+    // Reproduces the original failure: ASP.NET Core in Development enables ValidateOnBuild,
+    // and InMemoryDynamicBackgroundWorker has a `string workerName` constructor parameter
+    // that DI cannot resolve. Without [DisableConventionalRegistration] this throws:
+    //   Unable to resolve service for type 'System.String' while attempting to activate
+    //   'Volo.Abp.BackgroundWorkers.InMemoryDynamicBackgroundWorker'.
+    [Fact]
+    public async Task BuildServiceProvider_With_ValidateOnBuild_Should_Not_Throw()
+    {
+        using var application = await AbpApplicationFactory.CreateAsync<AbpBackgroundWorkersModule>();
+
+        var act = () => application.Services.BuildServiceProvider(
+            new ServiceProviderOptions { ValidateOnBuild = true });
+
+        act.ShouldNotThrow();
+    }
+
+    // Verifies the fix: InMemoryDynamicBackgroundWorker is created on demand by
+    // DefaultDynamicBackgroundWorkerManager (`new InMemoryDynamicBackgroundWorker(...)`)
+    // and must stay out of the conventional registration loop.
+    [Fact]
+    public async Task InMemoryDynamicBackgroundWorker_Should_Not_Be_Registered_As_Service()
+    {
+        using var application = await AbpApplicationFactory.CreateAsync<AbpBackgroundWorkersModule>();
+
+        application.Services.ShouldNotContain(d => d.ServiceType == typeof(InMemoryDynamicBackgroundWorker));
+    }
+}