2 files changed, 4 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/protocol/AstraProtocolDecoder.java b/src/main/java/org/traccar/protocol/AstraProtocolDecoder.java
index a1e133c23..16844da7c 100644
--- a/src/main/java/org/traccar/protocol/AstraProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/AstraProtocolDecoder.java
@@ -158,7 +158,7 @@ public class AstraProtocolDecoder extends BaseProtocolDecoder {
             position.setDeviceId(deviceSession.getDeviceId());
 
             position.set(Position.KEY_INDEX, buf.readUnsignedByte());
-            long mask = (long) buf.readUnsignedShort() << 32 + buf.readUnsignedInt();
+            long mask = ((long) buf.readUnsignedShort() << 32) + buf.readUnsignedInt();
             position.setDeviceTime(readTime(buf));
             position.set(Position.KEY_EVENT, buf.readUnsignedInt());
             position.set(Position.KEY_STATUS, buf.readUnsignedShort());
diff --git a/src/test/java/org/traccar/protocol/AstraProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AstraProtocolDecoderTest.java
index dc48fc829..55a4033ba 100644
--- a/src/test/java/org/traccar/protocol/AstraProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AstraProtocolDecoderTest.java
@@ -10,6 +10,9 @@ public class AstraProtocolDecoderTest extends ProtocolTest {
 
         var decoder = inject(new AstraProtocolDecoder(null));
 
+        verifyPositions(decoder, binary(
+                "58003201052196881ae0ce1f00000000000353d3d49e0010200000093d2353d3d49d031b934afffb036c0000a0000000e0eb"));
+
         verifyPositions(decoder, false, binary(
                 "5800cb02052196881aff5b3c0000200010bf53cbfab10000000100393d5853cbfab0031b93affffb034b0000ae00000000010000000c000c00000000000000787e00000000000000000000000000000000000000000000000000000000000000000000000000000000003d0000200010bf53cbfae60000280000293c5853cbfae6031b93affffb034b0000ae00000000010000000d000c00000000000000ae7e0000000000000000000000000000000000000000000000000000000000000000000000000000000000e604"));