diff --git a/rigs/flexradio/dttsp.c b/rigs/flexradio/dttsp.c
index 84ac41962..b9ad58ad9 100644
--- a/rigs/flexradio/dttsp.c
+++ b/rigs/flexradio/dttsp.c
@@ -660,7 +660,7 @@ int dttsp_cleanup(RIG *rig)
 
     rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
 
-    if (priv->tuner)
+    if (priv && priv->tuner)
     {
         rig_cleanup(priv->tuner);
     }