diff --git a/rtems/config/tools/rtems-tools-common-1.cfg b/rtems/config/tools/rtems-tools-common-1.cfg
index dc66783..9474ad1 100644
--- a/rtems/config/tools/rtems-tools-common-1.cfg
+++ b/rtems/config/tools/rtems-tools-common-1.cfg
@@ -46,7 +46,7 @@ License:   BSD-2-Clause + GPL-2.0
   fi
 
   cd ${source_dir_rtems_tools}
-  ./waf configure ${RT_HOST} --prefix=%{_prefix}
+  ./waf distclean configure ${RT_HOST} --prefix=%{_prefix}
   ./waf
   cd ${build_top}