diff --git a/hxl_proxy/pcodes.py b/hxl_proxy/pcodes.py
index 22cdd45..783f55c 100644
--- a/hxl_proxy/pcodes.py
+++ b/hxl_proxy/pcodes.py
@@ -25,10 +25,10 @@
 PCODE_HEADER_PATTERNS = {
     r'^admin0RefName$': '#country+name+ref',
     r'^admin0Name_([a-z]{2})$': '#country+i_\\1+name',
-    r'^admin0Pcode$': '#country+code+iso2',
+    r'^ADM0_PCODE$': '#country+code+iso2',
     r'^admin([1-9])RefName$': '#adm\\1+name+ref',
     r'^admin([1-9])Name_([a-z]{2})$': '#adm\\1+i_\\2+name',
-    r'^admin([1-9])Pcode$': '#adm\\1+code',
+    r'^ADM([1-9])_PCODE$': '#adm\\1+code',
 }
 """Regular expressions mapping iTOS headers to HXL hashtags"""