1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
index 0f89597ce..4b9757874 100644
--- a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -471,7 +471,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
                     TimeZone timeZone = deviceSession.get(DeviceSession.KEY_TIMEZONE);
                     if (timeZone.getRawOffset() == 0) {
                         timeZone.setRawOffset(offset * 1000);
-                        deviceSession.setTimeZone(timeZone);
+                        deviceSession.set(DeviceSession.KEY_TIMEZONE, timeZone);
                     }
                 }
             }