diff --git a/channels/chan_agent.c b/channels/chan_agent.c
index f3c33b434f..f18461e2e8 100644
--- a/channels/chan_agent.c
+++ b/channels/chan_agent.c
@@ -2012,7 +2012,10 @@ static int login_exec(struct ast_channel *chan, void *data)
 				} else {
 					p->wrapuptime = wrapuptime;
 				}
-				tmpoptions = pbx_builtin_getvar_helper(chan, "AGENTACCEPTDMTF");
+				tmpoptions = pbx_builtin_getvar_helper(chan, "AGENTACCEPTDTMF");
+				if (ast_strlen_zero(tmpoptions)) {
+					tmpoptions = pbx_builtin_getvar_helper(chan, "AGENTACCEPTDMTF");
+				}
 				if (!ast_strlen_zero(tmpoptions)) {
 					p->acceptdtmf = *tmpoptions;
 					ast_verb(3, "Saw variable AGENTACCEPTDTMF=%s, setting acceptdtmf to: %c for Agent '%s'.\n", tmpoptions, p->acceptdtmf, p->agent);