diff --git a/voice-client/files/etc/init.d/voice_client b/voice-client/files/etc/init.d/voice_client
index 2db6d38ff..a70303a2c 100755
--- a/voice-client/files/etc/init.d/voice_client
+++ b/voice-client/files/etc/init.d/voice_client
@@ -2102,8 +2102,7 @@ set_line_name()
 	if [ -n "$name_ix" ]; then
 		for item in $(db get hw.board.VoicePortNames); do
 			if [ $ix -eq $name_ix ]; then
-				uci_set voice_client $tel_line name \
-					"$(echo "$item" |tr "[_]" "[ ]")"
+				uci_set voice_client $tel_line name "$(echo '$item' |tr '[_]' '[ ]')"
 				return
 			fi
 			ix=$((ix+1))