diff --git a/src/session_driver.c b/src/session_driver.c
index 4fea5881..c1706bb5 100644
--- a/src/session_driver.c
+++ b/src/session_driver.c
@@ -52,7 +52,9 @@ struct session_vdev {
 static const uint32_t devopts[] = {
 	SR_CONF_CAPTUREFILE | SR_CONF_SET,
 	SR_CONF_CAPTURE_UNITSIZE | SR_CONF_GET | SR_CONF_SET,
+	SR_CONF_NUM_LOGIC_CHANNELS | SR_CONF_SET,
 	SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET,
+	SR_CONF_SESSIONFILE | SR_CONF_SET,
 };
 
 static int receive_data(int fd, int revents, void *cb_data)