diff --git a/meta-amd/recipes-phosphor/logging/phosphor-hostlogger_%.bbappend b/meta-amd/recipes-phosphor/logging/phosphor-hostlogger_%.bbappend
index 372b08d..690ac8a 100644
--- a/meta-amd/recipes-phosphor/logging/phosphor-hostlogger_%.bbappend
+++ b/meta-amd/recipes-phosphor/logging/phosphor-hostlogger_%.bbappend
@@ -5,5 +5,5 @@
 DEFAULT_INSTANCE:daytonax = "ttyVUART0"
 
 SRC_URI:remove = "file://${BPN}.conf"
-SRC_URI:ethanolx += "file://ttyS0.conf"
-SRC_URI:daytonax += "file://ttyVUART0.conf"
+SRC_URI:append:ethanolx = " file://ttyS0.conf"
+SRC_URI:append:daytonax = " file://ttyVUART0.conf"