diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index 277a152c1d..73cc62741c 100644
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -10440,9 +10440,15 @@ static int setup_zap(int reload)
 		} else if (!strcasecmp(v->name, "group")) {
 			cur_group = ast_get_group(v->value);
 		} else if (!strcasecmp(v->name, "callgroup")) {
-			cur_callergroup = ast_get_group(v->value);
+			if (!strcasecmp(v->value, "none"))
+				cur_callergroup = 0;
+			else
+				cur_callergroup = ast_get_group(v->value);
 		} else if (!strcasecmp(v->name, "pickupgroup")) {
-			cur_pickupgroup = ast_get_group(v->value);
+			if (!strcasecmp(v->value, "none"))
+				cur_pickupgroup = 0;
+			else
+				cur_pickupgroup = ast_get_group(v->value);
 		} else if (!strcasecmp(v->name, "immediate")) {
 			immediate = ast_true(v->value);
 		} else if (!strcasecmp(v->name, "transfertobusy")) {