diff --git a/standard/ieee/check.sh b/standard/ieee/check.sh
index 4f83c27d8..1a89764b0 100755
--- a/standard/ieee/check.sh
+++ b/standard/ieee/check.sh
@@ -8,7 +8,7 @@ cwd=$(pwd)
 ietf_dir="standard/ietf"
 ieee_dir="standard/ieee"
 
-to_check="draft/60802 draft/802.3 draft/802.1/qrev draft/802.1/ASrev draft/802.1/ASds draft/802.1/ASed draft/802.1/AB-2016rev draft/802.1/AXdz draft/CB-2017-cor1 draft/802.1/DD draft/1588 published/802 published/802.1 published/1588"
+to_check="draft/60802 draft/802.3 draft/802.1/qrev draft/802.1/ASrev draft/802.1/ASds draft/802.1/ASed draft/802.1/AB-2016rev draft/802.1/AXdz draft/802.1/CB-2017-cor1 draft/802.1/DD draft/802.1/X-cor1 draft/1588 published/802 published/802.1 published/1588"
 
 # relax constraint for now
 # add --ietf if you want to do strict IETF checking
diff --git a/experimental/ieee/802.1/ieee802-dot1x-types.yang b/standard/ieee/draft/802.1/X-cor1/ieee802-dot1x-types.yang
similarity index 100%
rename from experimental/ieee/802.1/ieee802-dot1x-types.yang
rename to standard/ieee/draft/802.1/X-cor1/ieee802-dot1x-types.yang
diff --git a/experimental/ieee/802.1/ieee802-dot1x.yang b/standard/ieee/draft/802.1/X-cor1/ieee802-dot1x.yang
similarity index 100%
rename from experimental/ieee/802.1/ieee802-dot1x.yang
rename to standard/ieee/draft/802.1/X-cor1/ieee802-dot1x.yang