Index: trunk/src/org/openstreetmap/josm/io/OsmPbfReader.java
===================================================================
--- trunk/src/org/openstreetmap/josm/io/OsmPbfReader.java	(revision 19022)
+++ trunk/src/org/openstreetmap/josm/io/OsmPbfReader.java	(revision 19024)
@@ -185,5 +185,7 @@
         int size = Integer.MIN_VALUE;
         Blob.CompressionType type = null;
-        ProtobufRecord current = null;
+        ProtobufRecord current;
+        // Needed since size and compression type + compression data may be in a different order
+        byte [] bytes = null;
         while (parser.hasNext() && cis.getBytesRead() - start < header.dataSize()) {
             current = new ProtobufRecord(baos, parser);
@@ -191,4 +193,5 @@
                 case 1:
                     type = Blob.CompressionType.raw;
+                    bytes = current.getBytes();
                     break;
                 case 2:
@@ -197,16 +200,21 @@
                 case 3:
                     type = Blob.CompressionType.zlib;
+                    bytes = current.getBytes();
                     break;
                 case 4:
                     type = Blob.CompressionType.lzma;
+                    bytes = current.getBytes();
                     break;
                 case 5:
                     type = Blob.CompressionType.bzip2;
+                    bytes = current.getBytes();
                     break;
                 case 6:
                     type = Blob.CompressionType.lz4;
+                    bytes = current.getBytes();
                     break;
                 case 7:
                     type = Blob.CompressionType.zstd;
+                    bytes = current.getBytes();
                     break;
                 default:
@@ -217,5 +225,5 @@
             throw new IllegalStateException("Compression type not found, pbf may be malformed");
         }
-        return new Blob(size, type, current.getBytes());
+        return new Blob(size, type, bytes);
     }