1 files changed, 5 insertions, 3 deletions
diff --git a/src/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
index 4173b4d5b..e1bb6f96c 100644
--- a/src/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -703,9 +703,11 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
             if (photo.writableBytes() > 0) {
                 sendPhotoRequest(channel, pictureId);
             } else {
-                Device device = Context.getDeviceManager().getById(deviceSession.getDeviceId());
-                position.set(
-                        Position.KEY_IMAGE, Context.getMediaManager().writeFile(device.getUniqueId(), photo, "jpg"));
+                if (Context.getMediaManager() != null) {
+                    Device device = Context.getDeviceManager().getById(deviceSession.getDeviceId());
+                    position.set(Position.KEY_IMAGE,
+                            Context.getMediaManager().writeFile(device.getUniqueId(), photo, "jpg"));
+                }
                 photos.remove(pictureId);
             }