Index: trunk/test/unit/org/openstreetmap/josm/tools/Tag2LinkTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/tools/Tag2LinkTest.java	(revision 17735)
+++ trunk/test/unit/org/openstreetmap/josm/tools/Tag2LinkTest.java	(revision 17736)
@@ -87,5 +87,5 @@
     void testImageCommonsImage() {
         Tag2Link.getLinksForTag("image", "File:Witten Brücke Gasstraße.jpg", this::addLink);
-        checkLinks("View image on Wikimedia Commons // https://commons.wikimedia.org/wiki/File:Witten Brücke Gasstraße.jpg");
+        checkLinks("View image on Wikimedia Commons // https://commons.wikimedia.org/wiki/File:Witten%20Br%C3%BCcke%20Gasstra%C3%9Fe.jpg");
         links.clear();
         // non-regression test for #19754
@@ -93,4 +93,10 @@
         checkLinks("View image on Wikimedia Commons // https://commons.wikimedia.org/wiki/File:Foo.jpg",
                 "View image on Wikimedia Commons // https://commons.wikimedia.org/wiki/File:Bar.jpg");
+        links.clear();
+        // non-regression test for #19771
+        Tag2Link.getLinksForTag("image", "File:Côte de granite rose - Trégastel à Ploumanac'h - 20190723 - 025.jpg", this::addLink);
+        checkLinks("View image on Wikimedia Commons // " +
+                "https://commons.wikimedia.org/wiki/" +
+                "File:C%C3%B4te%20de%20granite%20rose%20-%20Tr%C3%A9gastel%20%C3%A0%20Ploumanac'h%20-%2020190723%20-%20025.jpg");
     }
 
