diff --git a/tests/t20023/.clang-uml b/tests/t20023/.clang-uml
index 12759641..dd92d5c7 100644
--- a/tests/t20023/.clang-uml
+++ b/tests/t20023/.clang-uml
@@ -7,5 +7,5 @@ diagrams:
       namespaces:
         - clanguml::t20023
     using_namespace: clanguml::t20023
-    start_from:
+    from:
       - function: "clanguml::t20023::tmain()"
\ No newline at end of file
diff --git a/tests/t20043/.clang-uml b/tests/t20043/.clang-uml
new file mode 100644
index 00000000..7b22cb2e
--- /dev/null
+++ b/tests/t20043/.clang-uml
@@ -0,0 +1,17 @@
+diagrams:
+  t20043_sequence:
+    type: sequence
+    glob:
+      - t20043.cc
+    include:
+      namespaces:
+        - clanguml::t20043
+    exclude:
+      elements:
+        - clanguml::t20043::B
+        - clanguml::t20043::F
+      namespaces:
+        - clanguml::t20043::detail
+    using_namespace: clanguml::t20043
+    from:
+      - function: "clanguml::t20043::tmain()"
diff --git a/tests/t20043/t20043.cc b/tests/t20043/t20043.cc
new file mode 100644
index 00000000..ad1baa16
--- /dev/null
+++ b/tests/t20043/t20043.cc
@@ -0,0 +1,47 @@
+namespace clanguml {
+namespace t20043 {
+struct A {
+    int a() { return 1; }
+};
+
+struct B {
+    A a;
+    int b() { return a.a(); }
+};
+
+struct C {
+    B b;
+    int c() { return b.b(); }
+};
+
+namespace detail {
+struct E {
+    void e() { }
+};
+} // namespace detail
+
+struct D {
+    C c;
+    detail::E e;
+    int d()
+    {
+        e.e();
+        return c.c();
+    }
+};
+
+struct F {
+    void f() { }
+};
+
+int tmain()
+{
+    D d;
+    F f;
+
+    f.f();
+
+    return d.d();
+}
+}
+}
\ No newline at end of file
diff --git a/tests/t20043/test_case.h b/tests/t20043/test_case.h
new file mode 100644
index 00000000..84c0a4e9
--- /dev/null
+++ b/tests/t20043/test_case.h
@@ -0,0 +1,73 @@
+/**
+ * tests/t20043/test_case.h
+ *
+ * Copyright (c) 2021-2024 Bartek Kryza <bkryza@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+TEST_CASE("t20043", "[test-case][sequence]")
+{
+    auto [config, db] = load_config("t20043");
+
+    auto diagram = config.diagrams["t20043_sequence"];
+
+    REQUIRE(diagram->name == "t20043_sequence");
+
+    auto model = generate_sequence_diagram(*db, diagram);
+
+    REQUIRE(model->name() == "t20043_sequence");
+
+    {
+        auto src = generate_sequence_puml(diagram, *model);
+        AliasMatcher _A(src);
+
+        REQUIRE_THAT(src, StartsWith("@startuml"));
+        REQUIRE_THAT(src, EndsWith("@enduml\n"));
+
+        REQUIRE_THAT(src, !HasCall(_A("tmain()"), _A("F"), "f()"));
+        REQUIRE_THAT(src, HasCall(_A("tmain()"), _A("D"), "d()"));
+
+        REQUIRE_THAT(src, HasCall(_A("D"), _A("C"), "c()"));
+        REQUIRE_THAT(src, !HasCall(_A("D"), _A("detail::E"), "e()"));
+        REQUIRE_THAT(src, !HasCall(_A("C"), _A("B"), "b()"));
+        REQUIRE_THAT(src, !HasCall(_A("B"), _A("A"), "a()"));
+
+        save_puml(config.output_directory(), diagram->name + ".puml", src);
+    }
+
+    {
+        auto j = generate_sequence_json(diagram, *model);
+
+        using namespace json;
+
+        save_json(config.output_directory(), diagram->name + ".json", j);
+    }
+
+    {
+        auto src = generate_sequence_mermaid(diagram, *model);
+
+        mermaid::SequenceDiagramAliasMatcher _A(src);
+        using mermaid::HasCall;
+
+        REQUIRE_THAT(src, !HasCall(_A("tmain()"), _A("F"), "f()"));
+        REQUIRE_THAT(src, HasCall(_A("tmain()"), _A("D"), "d()"));
+
+        REQUIRE_THAT(src, HasCall(_A("D"), _A("C"), "c()"));
+        REQUIRE_THAT(src, !HasCall(_A("D"), _A("detail::E"), "e()"));
+        REQUIRE_THAT(src, !HasCall(_A("C"), _A("B"), "b()"));
+        REQUIRE_THAT(src, !HasCall(_A("B"), _A("A"), "a()"));
+
+        save_mermaid(config.output_directory(), diagram->name + ".mmd", src);
+    }
+}
\ No newline at end of file
diff --git a/tests/test_cases.cc b/tests/test_cases.cc
index 66316b09..3f92a7fc 100644
--- a/tests/test_cases.cc
+++ b/tests/test_cases.cc
@@ -469,6 +469,7 @@ using namespace clanguml::test::matchers;
 #include "t20040/test_case.h"
 #include "t20041/test_case.h"
 #include "t20042/test_case.h"
+#include "t20043/test_case.h"
 
 ///
 /// Package diagram tests
diff --git a/tests/test_cases.yaml b/tests/test_cases.yaml
index 4a824bb8..1f611954 100644
--- a/tests/test_cases.yaml
+++ b/tests/test_cases.yaml
@@ -349,6 +349,9 @@ test_cases:
     - name: t20042
       title: Test case for template overload pattern
       description:
+    - name: t20043
+      title: Test case for elements diagram filter in sequence diagrams
+      description:
   Package diagrams:
     - name: t30001
       title: Basic package diagram test case