diff --git a/openpower/configs/hostboot/rainier.config b/openpower/configs/hostboot/rainier.config
index 8459ec6..97c94f4 100755
--- a/openpower/configs/hostboot/rainier.config
+++ b/openpower/configs/hostboot/rainier.config
@@ -76,5 +76,4 @@
 #   (relies on BMC to not trigger reboot)
 #unset HANG_ON_MFG_SRC_TERM
 
-# This is not working in P10 op-build
-unset ENABLE_HDAT_IN_HOSTBOOT
+set ENABLE_HDAT_IN_HOSTBOOT