diff --git a/src/sms.c b/src/sms.c
index b5c06147..5e4c885f 100644
--- a/src/sms.c
+++ b/src/sms.c
@@ -256,7 +256,8 @@ static DBusMessage *sms_set_property(DBusConnection *conn, DBusMessage *msg,
 		if (strlen(value) == 0 || !valid_phone_number_format(value))
 			return __ofono_error_invalid_format(msg);
 
-		if (!sms->driver->sca_set)
+		if (sms->driver->sca_set == NULL ||
+				sms->driver->sca_query == NULL)
 			return __ofono_error_not_implemented(msg);
 
 		string_to_phone_number(value, &sca);