diff --git a/cmake/DD4hep.cmake b/cmake/DD4hep.cmake
index 7bc1d6a464b56f231f4d9dd9939fdc6c9bbe8b26..68861eed7b06d51a6885a438cde0d20d71a56a9a 100644
--- a/cmake/DD4hep.cmake
+++ b/cmake/DD4hep.cmake
@@ -72,11 +72,10 @@ function(dd4hep_generate_rootmap library)
 
   if(APPLE)
     set(ENV_VAR DYLD_LIBRARY_PATH)
-    set(${ENV_VAR}_VALUE $<TARGET_FILE_DIR:${library}>:$<TARGET_FILE_DIR:DD4hep::DD4hepGaudiPluginMgr>)
   else()
     set(ENV_VAR LD_LIBRARY_PATH)
-    set(${ENV_VAR}_VALUE $<TARGET_FILE_DIR:${library}>:$<TARGET_FILE_DIR:DD4hep::DD4hepGaudiPluginMgr>:$ENV{${ENV_VAR}})
   endif()
+  set(${ENV_VAR}_VALUE $<TARGET_FILE_DIR:${library}>:$<TARGET_FILE_DIR:DD4hep::DD4hepGaudiPluginMgr>:$ENV{${ENV_VAR}})
 
   set(rootmapfile ${CMAKE_SHARED_MODULE_PREFIX}${library}.components)