Index: /applications/editors/josm/plugins/pbf/src/org/openstreetmap/josm/plugins/pbf/io/PbfWriter.java
===================================================================
--- /applications/editors/josm/plugins/pbf/src/org/openstreetmap/josm/plugins/pbf/io/PbfWriter.java	(revision 32861)
+++ /applications/editors/josm/plugins/pbf/src/org/openstreetmap/josm/plugins/pbf/io/PbfWriter.java	(revision 32862)
@@ -500,5 +500,5 @@
 
     /**
-     * Writes data to an OSM data layer.
+     * Writes data from an OSM data layer.
      * @param layer data layer
      */
@@ -508,5 +508,5 @@
 
     /**
-     * Writes data to a dataset.
+     * Writes data from a dataset.
      * @param ds dataset
      */
Index: /applications/editors/josm/plugins/pbf/test/unit/org/openstreetmap/josm/plugins/pbf/io/PbfExporterTest.java
===================================================================
--- /applications/editors/josm/plugins/pbf/test/unit/org/openstreetmap/josm/plugins/pbf/io/PbfExporterTest.java	(revision 32862)
+++ /applications/editors/josm/plugins/pbf/test/unit/org/openstreetmap/josm/plugins/pbf/io/PbfExporterTest.java	(revision 32862)
@@ -0,0 +1,45 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.plugins.pbf.io;
+
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+import org.junit.Ignore;
+import org.junit.Rule;
+import org.junit.Test;
+import org.openstreetmap.josm.TestUtils;
+import org.openstreetmap.josm.data.osm.DataSet;
+import org.openstreetmap.josm.gui.layer.OsmDataLayer;
+import org.openstreetmap.josm.io.Compression;
+import org.openstreetmap.josm.io.OsmReader;
+import org.openstreetmap.josm.testutils.JOSMTestRules;
+
+/**
+ * Unit tests for {@link PbfExporter}.
+ */
+public class PbfExporterTest {
+
+    /**
+     * Setup test.
+     */
+    @Rule
+    public JOSMTestRules rules = new JOSMTestRules().preferences();
+
+    /**
+     * Non-regression test for <a href="https://josm.openstreetmap.de/ticket/11169">Ticket #11169</a>.
+     * @throws Exception if an error occurs
+     */
+    @Test
+    @Ignore("TODO: to fix")
+    public void testTicket11169() throws Exception {
+        try (InputStream is = Compression.ZIP.getUncompressedInputStream(
+                new FileInputStream(TestUtils.getRegressionDataFile(11169, "Portsmouth_Area.osm.zip")))) {
+            DataSet ds = OsmReader.parseDataSet(is, null);
+            Path out = Files.createTempFile("pbf-bug-11169", "pbf");
+            new PbfExporter().doSave(out.toFile(), new OsmDataLayer(ds, null, null));
+            Files.delete(out);
+        }
+    }
+}