diff --git a/Tests/RunCMake/Ninja/Qt5AutoMocDeps.cmake b/Tests/RunCMake/Ninja/Qt5AutoMocDeps.cmake
index d314ff3355..74566086c6 100644
--- a/Tests/RunCMake/Ninja/Qt5AutoMocDeps.cmake
+++ b/Tests/RunCMake/Ninja/Qt5AutoMocDeps.cmake
@@ -10,3 +10,4 @@ target_link_libraries(app_with_qt PRIVATE simple_lib Qt5::Core)
 
 add_subdirectory(QtSubDir1)
 add_subdirectory(QtSubDir2)
+add_subdirectory(QtSubDir3)
diff --git a/Tests/RunCMake/Ninja/QtSubDir3/CMakeLists.txt b/Tests/RunCMake/Ninja/QtSubDir3/CMakeLists.txt
new file mode 100644
index 0000000000..d38cfe0763
--- /dev/null
+++ b/Tests/RunCMake/Ninja/QtSubDir3/CMakeLists.txt
@@ -0,0 +1,2 @@
+add_executable(sub_exe_3 ../app.cpp)
+target_link_libraries(sub_exe_3 PRIVATE Qt5::Core)