diff --git a/common/recipes-phosphor/flash/openpower-software-manager/obmc-flash-bios b/common/recipes-phosphor/flash/openpower-software-manager/obmc-flash-bios
index d92fad5..1c90e8b 100644
--- a/common/recipes-phosphor/flash/openpower-software-manager/obmc-flash-bios
+++ b/common/recipes-phosphor/flash/openpower-software-manager/obmc-flash-bios
@@ -112,6 +112,9 @@
   pnordev="/dev/mtd${pnor}"
 
   if [[ "${name}" == "pnor-patch" ]]; then
+    if [[ "$(fw_printenv fieldmode 2>/dev/null)" == "fieldmode=true" ]]; then
+      return 0
+    fi
     if [[ ! "$(hexdump -C -n 3 ${pnordev})" =~ "UBI" ]]; then
       return 0
     fi