diff --git a/Modules/CheckClassVersion.cmake b/Modules/CheckClassVersion.cmake
index 38e14109..f818eef3 100644
--- a/Modules/CheckClassVersion.cmake
+++ b/Modules/CheckClassVersion.cmake
@@ -142,8 +142,8 @@ function(check_class_version)
     else()
       set(DY)
     endif()
-    string(JOIN ":" LD_PATH_FOR_DICT "${LD_PATH_FOR_DICT}" $ENV{${DY}LD_LIBRARY_PATH})
-    list(APPEND CMD_ENV "${DY}LD_LIBRARY_PATH=${LD_PATH_FOR_DICT}")
+    string(JOIN ":" LD_PATH_FOR_DICT "${LD_PATH_FOR_DICT}" $ENV{ROOT_LIBRARY_PATH} $ENV{${DY}LD_LIBRARY_PATH})
+    list(APPEND CMD_ENV "ROOT_LIBRARY_PATH=${LD_PATH_FOR_DICT}")
     list(APPEND CMD_ENV "ROOT_INCLUDE_PATH=$<JOIN:$<TARGET_PROPERTY:${dictname}_dict,INCLUDE_DIRECTORIES>,:>")
   endif()
   # Add the check to the end of the dictionary building step.