diff --git a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread.ts b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread.ts
index cf8a0ed..3d0548b 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread.ts
+++ b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread.ts
@@ -404,16 +404,16 @@
     return displayPath;
   }
 
-  _computeDisplayLine() {
-    if (this.lineNum === FILE) {
+  _computeDisplayLine(lineNum?: LineNumber, range?: CommentRange) {
+    if (lineNum === FILE) {
       if (this.path === SpecialFilePath.PATCHSET_LEVEL_COMMENTS) {
         return '';
       }
       return FILE;
     }
-    if (this.lineNum) return `#${this.lineNum}`;
+    if (lineNum) return `#${lineNum}`;
     // If range is set, then lineNum equals the end line of the range.
-    if (this.range) return `#${this.range.end_line}`;
+    if (range) return `#${range.end_line}`;
     return '';
   }
 
diff --git a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_html.ts b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_html.ts
index 1f0ce3d..9b8659c 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_html.ts
+++ b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_html.ts
@@ -123,7 +123,7 @@
       <template is="dom-if" if="[[!_isPatchsetLevelComment(path)]]">
         <a
           href$="[[_getDiffUrlForComment(projectName, changeNum, path, patchNum)]]"
-          >[[_computeDisplayLine()]]</a
+          >[[_computeDisplayLine(lineNum, range)]]</a
         >
       </template>
     </div>
diff --git a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.ts b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.ts
index 64f5ad8..2eeb12d 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.ts
+++ b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.ts
@@ -285,15 +285,24 @@
 
     test('_computeDisplayLine', () => {
       element.lineNum = 5;
-      assert.equal(element._computeDisplayLine(), '#5');
+      assert.equal(
+        element._computeDisplayLine(element.lineNum, element.range),
+        '#5'
+      );
 
       element.path = SpecialFilePath.COMMIT_MESSAGE;
       element.lineNum = 5;
-      assert.equal(element._computeDisplayLine(), '#5');
+      assert.equal(
+        element._computeDisplayLine(element.lineNum, element.range),
+        '#5'
+      );
 
       element.lineNum = undefined;
       element.path = SpecialFilePath.PATCHSET_LEVEL_COMMENTS;
-      assert.equal(element._computeDisplayLine(), '');
+      assert.equal(
+        element._computeDisplayLine(element.lineNum, element.range),
+        ''
+      );
     });
   });
 });