diff --git a/src/Workleap.Extensions.MediatR/MediatorBuilder.cs b/src/Workleap.Extensions.MediatR/MediatorBuilder.cs
index 83306f4..e9d7d10 100644
--- a/src/Workleap.Extensions.MediatR/MediatorBuilder.cs
+++ b/src/Workleap.Extensions.MediatR/MediatorBuilder.cs
@@ -66,6 +66,10 @@ void Configure(MediatRServiceConfiguration configuration)
             // See: https://github.com/jbogard/MediatR/pull/989#issuecomment-1883574379
             RegisterPreAndPostNonGenericClosedProcessors(configuration);
 
+            // Restore the previous behavior of registering generic handlers from before MediatR 12.4.1
+            // https://github.com/jbogard/MediatR/compare/v12.4.0...v12.4.1
+            configuration.RegisterGenericHandlers = true;
+
             // Allow developers to override default configuration if needed
             userDefinedConfigure?.Invoke(configuration);
         }