diff --git a/meta-ohos-core/conf/distro/allscenarios-linux.conf b/meta-ohos-core/conf/distro/allscenarios-linux.conf
index 187cbd647933c15782397bfeb9f7e63607dfd90f..f5da89d81be7a5953481571408840246928742d0 100644
--- a/meta-ohos-core/conf/distro/allscenarios-linux.conf
+++ b/meta-ohos-core/conf/distro/allscenarios-linux.conf
@@ -16,7 +16,7 @@ INIT_MANAGER = "systemd"
 
 # Remove some of the default Poky DISTRO_FEATURES we inherited, but do not use.
 DISTRO_FEATURES_remove = "nfc 3g pcmcia"
-DISTRO_FEATURES_append = "optee"
+DISTRO_FEATURES_append = " optee"
 
 PREFERRED_VERSION_linux-yocto = "5.10%"