diff --git a/launch_testing_ament_cmake/CMakeLists.txt b/launch_testing_ament_cmake/CMakeLists.txt
index 84db10fb7..78f6d5fed 100644
--- a/launch_testing_ament_cmake/CMakeLists.txt
+++ b/launch_testing_ament_cmake/CMakeLists.txt
@@ -26,7 +26,7 @@ if(BUILD_TESTING)
 
   # Test argument passing.  This test won't pass unless you give it an argument
   add_launch_test(
-    "${LAUNCH_TESTING_INSTALL_PREFIX}/share/launch_testing/examples/args.test.py"
+    "${LAUNCH_TESTING_INSTALL_PREFIX}/share/launch_testing/examples/args_launch_test.py"
     ARGS "dut_arg:=--anything"
   )
 endif()