diff --git a/src/domain/navigation/index.js b/src/domain/navigation/index.js
index 821121b3..367d5bdc 100644
--- a/src/domain/navigation/index.js
+++ b/src/domain/navigation/index.js
@@ -327,6 +327,28 @@ export function tests() {
             assert.equal(segments[4].type, "details");
             assert.equal(segments[4].value, true);
         },
+        "open-room action should only copy over previous segments if there are no parts after open-room": assert => {
+            const nav = new Navigation(allowsChild);
+            const path = nav.pathFrom([
+                new Segment("session", 1),
+                new Segment("rooms", ["a", "b", "c"]),
+                new Segment("room", "b"),
+                new Segment("right-panel", true),
+                new Segment("members", true)
+            ]);
+            const segments = parseUrlPath("/session/1/open-room/a/member/foo", path);
+            assert.equal(segments.length, 5);
+            assert.equal(segments[0].type, "session");
+            assert.equal(segments[0].value, "1");
+            assert.equal(segments[1].type, "rooms");
+            assert.deepEqual(segments[1].value, ["a", "b", "c"]);
+            assert.equal(segments[2].type, "room");
+            assert.equal(segments[2].value, "a");
+            assert.equal(segments[3].type, "right-panel");
+            assert.equal(segments[3].value, true);
+            assert.equal(segments[4].type, "member");
+            assert.equal(segments[4].value, "foo");
+        },
         "parse open-room action setting a room in an empty tile": assert => {
             const nav = new Navigation(allowsChild);
             const path = nav.pathFrom([