diff --git a/README.md b/README.md
index d3226fef..df4e0551 100644
--- a/README.md
+++ b/README.md
@@ -569,6 +569,11 @@ jradio has lots of built-in satellite decoders. Some of them have non standard d
 			<td>56214</td>
 			<td>ru.r2cloud.jradio.sapling.SaplingGiganteumBeacon</td>
 		</tr>
+		<tr>
+			<td>ROSEYCUBESAT-1</td>
+			<td>56212</td>
+			<td>ru.r2cloud.jradio.roseycub.RoseyCubesatBeacon and images via ru.r2cloud.jradio.roseycub.RoseyPictureDecoder</td>
+		</tr>
 	</tbody>
 </table>
   
diff --git a/src/main/java/ru/r2cloud/jradio/sharjahsat/Sharjahsat1PictureDecoder.java b/src/main/java/ru/r2cloud/jradio/sharjahsat/Sharjahsat1PictureDecoder.java
index 92a2ff09..3cd16bb7 100644
--- a/src/main/java/ru/r2cloud/jradio/sharjahsat/Sharjahsat1PictureDecoder.java
+++ b/src/main/java/ru/r2cloud/jradio/sharjahsat/Sharjahsat1PictureDecoder.java
@@ -28,7 +28,12 @@ public Sharjahsat1PictureDecoder(List<Sharjahsat1Beacon> beacons) {
 		Collections.sort(beacons, new Comparator<Sharjahsat1Beacon>() {
 			@Override
 			public int compare(Sharjahsat1Beacon o1, Sharjahsat1Beacon o2) {
-				return Long.compare(o2.getSharjahsat1Header().getPacketCounter(), o1.getSharjahsat1Header().getPacketCounter());
+				Sharjahsat1Header o2Header = o2.getSharjahsat1Header();
+				Sharjahsat1Header o1Header = o1.getSharjahsat1Header();
+				if (o2Header == null || o1Header == null) {
+					return 0;
+				}
+				return Long.compare(o2Header.getPacketCounter(), o1Header.getPacketCounter());
 			}
 		});
 	}
diff --git a/src/test/resources/sharjahsat1_beacons.txt b/src/test/resources/sharjahsat1_beacons.txt
index e39f73f4..304feac3 100644
--- a/src/test/resources/sharjahsat1_beacons.txt
+++ b/src/test/resources/sharjahsat1_beacons.txt
@@ -1,3 +1,4 @@
+826C64AA9EA6E0826C60AA9EA66103F04553455250F6000000
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