diff --git a/.github/workflows/cmake-integration.yml b/.github/workflows/cmake-integration.yml
index 1933f8c..ca3970e 100644
--- a/.github/workflows/cmake-integration.yml
+++ b/.github/workflows/cmake-integration.yml
@@ -41,6 +41,21 @@ jobs:
            cmake .. -DCMAKE_BUILD_TYPE=Debug
            make
            ./main
+  test-linux-add_subdirectory:
+    runs-on: ubuntu-22.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: build
+      run: |
+           cd ..
+           cp -rv cpptrace/test/add_subdirectory-integration .
+           cp -rv cpptrace add_subdirectory-integration
+           mkdir add_subdirectory-integration/build
+           cd add_subdirectory-integration/build
+           cmake .. -DCMAKE_BUILD_TYPE=Debug
+           make
+           ./main
+
   test-macos-fetchcontent:
     runs-on: macos-13
     steps:
@@ -73,6 +88,21 @@ jobs:
            cmake .. -DCMAKE_BUILD_TYPE=Debug
            make
            ./main
+  test-macos-add_subdirectory:
+    runs-on: macos-13
+    steps:
+    - uses: actions/checkout@v2
+    - name: test
+      run: |
+           cd ..
+           cp -rv cpptrace/test/add_subdirectory-integration .
+           cp -rv cpptrace add_subdirectory-integration
+           mkdir add_subdirectory-integration/build
+           cd add_subdirectory-integration/build
+           cmake .. -DCMAKE_BUILD_TYPE=Debug
+           make
+           ./main
+
   test-mingw-fetchcontent:
     runs-on: windows-2019
     steps:
@@ -87,6 +117,20 @@ jobs:
            cmake .. -DCMAKE_BUILD_TYPE=Debug -DCPPTRACE_TAG="$tag" -DCMAKE_BUILD_TYPE=g++ "-GUnix Makefiles"
            make
            .\main.exe
+  test-mingw-add_subdirectory:
+    runs-on: windows-2019
+    steps:
+    - uses: actions/checkout@v2
+    - name: test
+      run: |
+           cd ..
+           cp -Recurse cpptrace/test/add_subdirectory-integration .
+           cp -Recurse cpptrace add_subdirectory-integration
+           mkdir add_subdirectory-integration/build
+           cd add_subdirectory-integration/build
+           cmake .. -DCMAKE_BUILD_TYPE=Debug -DCMAKE_BUILD_TYPE=g++ "-GUnix Makefiles"
+           make
+           .\main.exe
   test-windows-fetchcontent:
     runs-on: windows-2019
     steps:
@@ -103,3 +147,19 @@ jobs:
            cmake .. -DCMAKE_BUILD_TYPE=Debug -DCPPTRACE_TAG="$tag"
            msbuild demo_project.sln
            .\Debug\main.exe
+  test-windows-add_subdirectory:
+    runs-on: windows-2019
+    steps:
+    - uses: actions/checkout@v2
+    - name: Enable Developer Command Prompt
+      uses: ilammy/msvc-dev-cmd@v1.10.0
+    - name: test
+      run: |
+           cd ..
+           cp -Recurse cpptrace/test/add_subdirectory-integration .
+           cp -Recurse cpptrace add_subdirectory-integration
+           mkdir add_subdirectory-integration/build
+           cd add_subdirectory-integration/build
+           cmake .. -DCMAKE_BUILD_TYPE=Debug
+           msbuild demo_project.sln
+           .\Debug\main.exe
diff --git a/test/add_subdirectory-integration/CMakeLists.txt b/test/add_subdirectory-integration/CMakeLists.txt
new file mode 100644
index 0000000..77b1e86
--- /dev/null
+++ b/test/add_subdirectory-integration/CMakeLists.txt
@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.8)
+
+project(demo_project VERSION 0.0.1 LANGUAGES CXX)
+
+add_executable(main main.cpp)
+
+add_subdirectory(cpptrace)
+target_link_libraries(main cpptrace)
diff --git a/test/add_subdirectory-integration/main.cpp b/test/add_subdirectory-integration/main.cpp
new file mode 100644
index 0000000..cd935bb
--- /dev/null
+++ b/test/add_subdirectory-integration/main.cpp
@@ -0,0 +1,13 @@
+#include <cpptrace/cpptrace.hpp>
+
+void trace() {
+    cpptrace::print_trace();
+}
+
+void foo(int) {
+    trace();
+}
+
+int main() {
+    foo(0);
+}
diff --git a/test/fetchcontent-integration/main.cpp b/test/fetchcontent-integration/main.cpp
index 899d4a0..cd935bb 100644
--- a/test/fetchcontent-integration/main.cpp
+++ b/test/fetchcontent-integration/main.cpp
@@ -11,4 +11,3 @@ void foo(int) {
 int main() {
     foo(0);
 }
-
diff --git a/test/findpackage-integration/main.cpp b/test/findpackage-integration/main.cpp
index 899d4a0..cd935bb 100644
--- a/test/findpackage-integration/main.cpp
+++ b/test/findpackage-integration/main.cpp
@@ -11,4 +11,3 @@ void foo(int) {
 int main() {
     foo(0);
 }
-