diff --git a/backend/tests/Squidex.Infrastructure.Tests/Email/SmtpEmailSenderTests.cs b/backend/tests/Squidex.Infrastructure.Tests/Email/SmtpEmailSenderTests.cs
index 9f4986620..9fbba778f 100644
--- a/backend/tests/Squidex.Infrastructure.Tests/Email/SmtpEmailSenderTests.cs
+++ b/backend/tests/Squidex.Infrastructure.Tests/Email/SmtpEmailSenderTests.cs
@@ -11,6 +11,7 @@ using Xunit;
 
 namespace Squidex.Infrastructure.Email
 {
+    [Trait("Category", "Dependencies")]
     public class SmtpEmailSenderTests
     {
         [Fact]
diff --git a/frontend/app/framework/angular/routers/router-2-state.ts b/frontend/app/framework/angular/routers/router-2-state.ts
index d7f96e262..eeee03ec6 100644
--- a/frontend/app/framework/angular/routers/router-2-state.ts
+++ b/frontend/app/framework/angular/routers/router-2-state.ts
@@ -344,7 +344,7 @@ function cleanupParams(query: Params) {
         if (query.hasOwnProperty(key)) {
             const value = query[key];
 
-            if (Types.isNull(value) || Types.isUndefined(value)) {
+            if (Types.isNull(value) || Types.isUndefined(key)) {
                 delete query[key];
             }
         }