diff --git a/app/dialplans/resources/switch/conf/dialplan/310_extension-to-voicemail.xml b/app/dialplans/resources/switch/conf/dialplan/310_extension-to-voicemail.xml
index b9e8a80c70..341a16ea30 100644
--- a/app/dialplans/resources/switch/conf/dialplan/310_extension-to-voicemail.xml
+++ b/app/dialplans/resources/switch/conf/dialplan/310_extension-to-voicemail.xml
@@ -1,7 +1,7 @@
 <extension name="extension-to-voicemail" number="[ext]" context="global" continue="false" app_uuid="8a2e7b81-996c-4d6b-87df-b879b972a572" global="true" order="310">
 	<condition field="${user_exists}" expression="^true$" />
-	<condition field="username" expression="^${caller_id_number}$" />
-	<condition field="destination_number" expression="^${caller_id_number}$">
+	<condition field="username" expression="^\Q${caller_id_number}\E$" />
+	<condition field="destination_number" expression="^\Q${caller_id_number}\E$">
 		<action application="answer"/>
 		<action application="sleep" data="1000"/>
 		<action application="set" data="record_append=false"/>