diff --git a/src/mm-broadband-modem-qmi.c b/src/mm-broadband-modem-qmi.c
index 95dce58e..469e6c46 100644
--- a/src/mm-broadband-modem-qmi.c
+++ b/src/mm-broadband-modem-qmi.c
@@ -10106,10 +10106,11 @@ get_pri_image_info_ready (QmiClientDms *client,
                 ctx->self->priv->current_firmware = g_object_ref (firmware);
 
         }
-
-        qmi_message_dms_get_stored_image_info_output_unref (output);
     }
 
+    if (output)
+        qmi_message_dms_get_stored_image_info_output_unref (output);
+
     /* Go on to the next one */
     ctx->l = g_list_next (ctx->l);
     get_next_image_info (ctx);