diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -13,7 +13,7 @@
     'core.pkg.js' => '0efaf0ac',
     'dark-console.pkg.js' => '187792c2',
     'differential.pkg.css' => 'b042ee8b',
-    'differential.pkg.js' => '4b2b5659',
+    'differential.pkg.js' => '79dfae6e',
     'diffusion.pkg.css' => '42c75c37',
     'diffusion.pkg.js' => 'a98c0bf7',
     'maniphest.pkg.css' => '35995d6d',
@@ -380,8 +380,8 @@
     'rsrc/js/application/dashboard/behavior-dashboard-query-panel-select.js' => '1e413dc9',
     'rsrc/js/application/dashboard/behavior-dashboard-tab-panel.js' => '0116d3e8',
     'rsrc/js/application/diff/DiffChangeset.js' => 'b6bb0240',
-    'rsrc/js/application/diff/DiffChangesetList.js' => '2347e0a6',
-    'rsrc/js/application/diff/DiffInline.js' => '417b3cdb',
+    'rsrc/js/application/diff/DiffChangesetList.js' => '1e8658bb',
+    'rsrc/js/application/diff/DiffInline.js' => '9bb6f2ad',
     'rsrc/js/application/diff/DiffPathView.js' => '8207abf9',
     'rsrc/js/application/diff/DiffTreeView.js' => '5d83623b',
     'rsrc/js/application/differential/behavior-diff-radios.js' => '925fe8cd',
@@ -775,8 +775,8 @@
     'phabricator-darkmessage' => '26cd4b73',
     'phabricator-dashboard-css' => '5a205b9d',
     'phabricator-diff-changeset' => 'b6bb0240',
-    'phabricator-diff-changeset-list' => '2347e0a6',
-    'phabricator-diff-inline' => '417b3cdb',
+    'phabricator-diff-changeset-list' => '1e8658bb',
+    'phabricator-diff-inline' => '9bb6f2ad',
     'phabricator-diff-path-view' => '8207abf9',
     'phabricator-diff-tree-view' => '5d83623b',
     'phabricator-drag-and-drop-file-upload' => '4370900d',
@@ -1069,6 +1069,11 @@
       'javelin-behavior',
       'javelin-dom',
     ),
+    '1e8658bb' => array(
+      'javelin-install',
+      'phuix-button-view',
+      'phabricator-diff-tree-view',
+    ),
     '1ff278aa' => array(
       'phui-button-css',
     ),
@@ -1098,11 +1103,6 @@
       'javelin-request',
       'javelin-typeahead-source',
     ),
-    '2347e0a6' => array(
-      'javelin-install',
-      'phuix-button-view',
-      'phabricator-diff-tree-view',
-    ),
     23631304 => array(
       'phui-fontkit-css',
     ),
@@ -1251,9 +1251,6 @@
       'javelin-behavior',
       'javelin-uri',
     ),
-    '417b3cdb' => array(
-      'javelin-dom',
-    ),
     '42c44e8b' => array(
       'javelin-behavior',
       'javelin-workflow',
@@ -1795,6 +1792,9 @@
       'javelin-install',
       'javelin-util',
     ),
+    '9bb6f2ad' => array(
+      'javelin-dom',
+    ),
     '9c01e364' => array(
       'javelin-behavior',
       'javelin-dom',
diff --git a/webroot/rsrc/js/application/diff/DiffChangesetList.js b/webroot/rsrc/js/application/diff/DiffChangesetList.js
--- a/webroot/rsrc/js/application/diff/DiffChangesetList.js
+++ b/webroot/rsrc/js/application/diff/DiffChangesetList.js
@@ -1403,8 +1403,8 @@
     },
 
     _newHoverMap: function(top, bot, content_cell, inline) {
-      var start = inline.getStartOffset() || 0;
-      var end = inline.getEndOffset() || 0;
+      var start = inline.getStartOffset();
+      var end = inline.getEndOffset();
 
       var head_row = JX.DOM.findAbove(top, 'tr');
       var last_row = JX.DOM.findAbove(bot, 'tr');
@@ -1476,13 +1476,13 @@
         content = rows[ii].content;
         len = content.length;
 
-        if (ii === min) {
+        if (ii === min && (start !== null)) {
           offset_min = start;
         } else {
           offset_min = 0;
         }
 
-        if (ii === max) {
+        if (ii === max && (end !== null)) {
           offset_max = Math.min(end, len);
         } else {
           offset_max = len;
diff --git a/webroot/rsrc/js/application/diff/DiffInline.js b/webroot/rsrc/js/application/diff/DiffInline.js
--- a/webroot/rsrc/js/application/diff/DiffInline.js
+++ b/webroot/rsrc/js/application/diff/DiffInline.js
@@ -96,6 +96,7 @@
       this._snippet = data.snippet;
       this._menuItems = data.menuItems;
       this._documentEngineKey = data.documentEngineKey;
+
       this._startOffset = data.startOffset;
       this._endOffset = data.endOffset;
 
@@ -167,8 +168,8 @@
       this._isNewFile = data.isNewFile;
       this._changesetID = data.changesetID;
       this._isNew = true;
-      this._startOffset = data.startOffset;
-      this._endOffset = data.endOffset;
+      this._startOffset = null;
+      this._endOffset = null;
 
       // Insert the comment after any other comments which already appear on
       // the same row.