diff --git a/setup.env b/setup.env
index 63f5fa1d..99969741 100755
--- a/setup.env
+++ b/setup.env
@@ -51,3 +51,6 @@ fi
 
 # submodule post update scripts.
 export ONL_SUBMODULE_UPDATED_SCRIPTS="$ONL/tools/scripts/submodule-updated.sh"
+
+# Restricted platforms for ONLPv2 porting.
+export PLATFORM_LIST=x86-64-accton-as7712-32x-r0