diff --git a/Simulation/DetSimAna/CMakeLists.txt b/Simulation/DetSimAna/CMakeLists.txt
index 6e0adf5b5b7a24ed2cd24c39267f342aa98a4102..733c9686f67e26988d4358eb7e20aab0b9cc558d 100644
--- a/Simulation/DetSimAna/CMakeLists.txt
+++ b/Simulation/DetSimAna/CMakeLists.txt
@@ -1,10 +1,9 @@
-
 find_package(Geant4 REQUIRED ui_all vis_all)
 include(${Geant4_USE_FILE})
 
 gaudi_add_module(DetSimAna
                  SOURCES src/Edm4hepWriterAnaElemTool.cpp
-		 SOURCES src/ExampleAnaDoseElemTool.cpp
+                         src/ExampleAnaDoseElemTool.cpp
                  LINK DetSimInterface
                       DetSimSDLib
                       ${DD4hep_COMPONENT_LIBRARIES}