diff --git a/resources/install/sql/switch.sql b/resources/install/sql/switch.sql
index 43b38b5dc4..aac6cf7626 100644
--- a/resources/install/sql/switch.sql
+++ b/resources/install/sql/switch.sql
@@ -350,7 +350,7 @@ ALTER TABLE sip_authentication OWNER TO fusionpbx;
 --
 CREATE TABLE sip_dialogs (
     call_id character varying(255),
-    uuid uuid,
+    uuid character varying(255),
     sip_to_user character varying(255),
     sip_to_host character varying(255),
     sip_from_user character varying(255),