diff --git a/recipes-core/base-files/base-files_%.bbappend b/recipes-core/base-files/base-files_%.bbappend
index e7f8611..248a774 100644
--- a/recipes-core/base-files/base-files_%.bbappend
+++ b/recipes-core/base-files/base-files_%.bbappend
@@ -14,6 +14,6 @@ export TERM=xterm-256color
 EOF
 
 cat << EOF >> "${D}${sysconfdir}/profile"
-export MACHINE=$MACHINE
+export MACHINE=${MACHINE}
 EOF
 }