diff --git a/src/mod/dialplans/mod_dialplan_xml/mod_dialplan_xml.c b/src/mod/dialplans/mod_dialplan_xml/mod_dialplan_xml.c
index 652d400ddf..ccc8c938f8 100644
--- a/src/mod/dialplans/mod_dialplan_xml/mod_dialplan_xml.c
+++ b/src/mod/dialplans/mod_dialplan_xml/mod_dialplan_xml.c
@@ -147,7 +147,7 @@ static int parse_exten(switch_core_session_t *session, switch_caller_profile_t *
 			}
 
 			if (field && strchr(expression, '(')) {
-				len = (uint32_t) (strlen(data) + strlen(field_data) + 10);
+				len = (uint32_t) (strlen(data) + strlen(field_data) + 10) * proceed;
 				if (!(substituted = malloc(len))) {
 					switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "memory error!\n");
 					proceed = 0;