diff --git a/rtems/config/tools/rtems-tools-common-1.cfg b/rtems/config/tools/rtems-tools-common-1.cfg
index d4bbc3b..cf86b7e 100644
--- a/rtems/config/tools/rtems-tools-common-1.cfg
+++ b/rtems/config/tools/rtems-tools-common-1.cfg
@@ -44,7 +44,7 @@ License:   BSD-2-Clause + GPL-2.0
   # Provide the host for a Cxc build.
   #
   if test "%{_build}" != "%{_host}" ; then
-    RT_HOST="-host=%{_host}"
+    RT_HOST="--host=%{_host}"
   else
     RT_HOST=
   fi