diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -7,7 +7,7 @@
 return array(
   'names' =>
   array(
-    'core.pkg.css' => 'fb144113',
+    'core.pkg.css' => '1f7a202d',
     'core.pkg.js' => '57d0e1c4',
     'darkconsole.pkg.js' => 'ca8671ce',
     'differential.pkg.css' => '331c38d9',
@@ -22,7 +22,7 @@
     'rsrc/css/aphront/context-bar.css' => '1c3b0529',
     'rsrc/css/aphront/dark-console.css' => '6378ef3d',
     'rsrc/css/aphront/dialog-view.css' => 'c01d24b4',
-    'rsrc/css/aphront/error-view.css' => '16cd9949',
+    'rsrc/css/aphront/error-view.css' => '9f1d5518',
     'rsrc/css/aphront/lightbox-attachment.css' => '7acac05d',
     'rsrc/css/aphront/list-filter-view.css' => 'ef989c67',
     'rsrc/css/aphront/multi-column.css' => '12f65921',
@@ -486,7 +486,7 @@
     'aphront-contextbar-view-css' => '1c3b0529',
     'aphront-dark-console-css' => '6378ef3d',
     'aphront-dialog-view-css' => 'c01d24b4',
-    'aphront-error-view-css' => '16cd9949',
+    'aphront-error-view-css' => '9f1d5518',
     'aphront-list-filter-view-css' => 'ef989c67',
     'aphront-multi-column-view-css' => '12f65921',
     'aphront-notes' => '6acadd3f',
diff --git a/src/applications/differential/render/DifferentialChangesetHTMLRenderer.php b/src/applications/differential/render/DifferentialChangesetHTMLRenderer.php
--- a/src/applications/differential/render/DifferentialChangesetHTMLRenderer.php
+++ b/src/applications/differential/render/DifferentialChangesetHTMLRenderer.php
@@ -358,6 +358,17 @@
           $content)));
   }
 
+  private function renderColgroup() {
+    return phutil_tag('colgroup', array(), array(
+      phutil_tag('col', array('class' => 'num')),
+      phutil_tag('col', array('class' => 'left')),
+      phutil_tag('col', array('class' => 'num')),
+      phutil_tag('col', array('class' => 'copy')),
+      phutil_tag('col', array('class' => 'right')),
+      phutil_tag('col', array('class' => 'cov')),
+    ));
+  }
+
   protected function wrapChangeInTable($content) {
     if (!$content) {
       return null;
@@ -369,7 +380,10 @@
         'class' => 'differential-diff remarkup-code PhabricatorMonospaced',
         'sigil' => 'differential-diff',
       ),
-      $content);
+      array(
+        $this->renderColgroup(),
+        $content,
+      ));
   }
 
   protected function renderInlineComment(
diff --git a/src/applications/differential/render/DifferentialChangesetTwoUpRenderer.php b/src/applications/differential/render/DifferentialChangesetTwoUpRenderer.php
--- a/src/applications/differential/render/DifferentialChangesetTwoUpRenderer.php
+++ b/src/applications/differential/render/DifferentialChangesetTwoUpRenderer.php
@@ -7,17 +7,6 @@
     return false;
   }
 
-  private function renderColgroup() {
-    return phutil_tag('colgroup', array(), array(
-      phutil_tag('col', array('class' => 'num')),
-      phutil_tag('col', array('class' => 'left')),
-      phutil_tag('col', array('class' => 'num')),
-      phutil_tag('col', array('class' => 'copy')),
-      phutil_tag('col', array('class' => 'right')),
-      phutil_tag('col', array('class' => 'cov')),
-    ));
-  }
-
   public function renderTextChange(
     $range_start,
     $range_len,
@@ -42,7 +31,6 @@
     }
 
     $html = array();
-    $html[] = $this->renderColgroup();
 
     $old_lines = $this->getOldLines();
     $new_lines = $this->getNewLines();
@@ -438,10 +426,7 @@
       $th_new = phutil_tag('th', array('id' => "C{$id}OL1"), 1);
     }
 
-    $output = array();
-    $output[] = $this->renderColgroup();
-
-    $output[] = hsprintf(
+    $output = hsprintf(
       '<tr class="differential-image-diff">'.
         '%s'.
         '<td class="differential-old-image">%s</td>'.