diff --git a/examples/SimpleDetector/CMakeLists.txt b/examples/SimpleDetector/CMakeLists.txt
index 2788e2053021173c538e4ceff3f5f3ae20b60355..e3e9aab0f206bc368ee407d2d5d77a9211f82b96 100644
--- a/examples/SimpleDetector/CMakeLists.txt
+++ b/examples/SimpleDetector/CMakeLists.txt
@@ -38,6 +38,6 @@ endforeach(test)
 
 dd4hep_add_test_reg( SimpleDetector_sim_ILD
     COMMAND    "${CMAKE_INSTALL_PREFIX}/bin/run_test_SimpleDetector.sh"
-    EXEC_ARGS  dd_sim file:${CMAKE_CURRENT_SOURCE_DIR}/compact/Simple_ILD.xml  file:${CMAKE_CURRENT_SOURCE_DIR}/examples/sequences.xml
+    EXEC_ARGS  dd_sim ${CMAKE_CURRENT_SOURCE_DIR}/compact/Simple_ILD.xml  ${CMAKE_CURRENT_SOURCE_DIR}/examples/sequences.xml
     REQUIRES   DDG4 Geant4
     REGEX_PASS "Event 9 Begin event action")