diff --git a/Tools/CMake/basics.cmake b/Tools/CMake/basics.cmake
index b278a9769..1764e2c73 100644
--- a/Tools/CMake/basics.cmake
+++ b/Tools/CMake/basics.cmake
@@ -112,7 +112,7 @@ endmacro()
 macro(addDef def)
     set(def_configs "")
     if(${ARGC} GREATER 1)
-        foreach(config "${ARGV1}")
+        foreach(config ${ARGN})
             __addDef(${def} ${config})
         endforeach()
     else()