diff --git a/scripts/poky-env-internal b/scripts/poky-env-internal
index 6acc7a3905..ee7a0a935c 100755
--- a/scripts/poky-env-internal
+++ b/scripts/poky-env-internal
@@ -91,4 +91,4 @@ echo
 echo "### Shell environment set up for Poky builds. ###"
 echo 
 
-export BB_ENV_EXTRAWHITE="MACHINE DISTRO POKYLIBC"
+export BB_ENV_EXTRAWHITE="MACHINE DISTRO POKYLIBC OEROOT http_proxy ftp_proxy"