diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -8,7 +8,7 @@
 return array(
   'names' => array(
     'core.pkg.css' => 'ed3d6355',
-    'core.pkg.js' => '31eaf90a',
+    'core.pkg.js' => '3ed82e2f',
     'darkconsole.pkg.js' => 'e7393ebb',
     'differential.pkg.css' => 'bb338e4b',
     'differential.pkg.js' => '895b8d62',
@@ -211,7 +211,7 @@
     'rsrc/externals/javelin/lib/Resource.js' => '44959b73',
     'rsrc/externals/javelin/lib/Routable.js' => 'b3e7d692',
     'rsrc/externals/javelin/lib/Router.js' => '29274e2b',
-    'rsrc/externals/javelin/lib/Scrollbar.js' => '4f812f8a',
+    'rsrc/externals/javelin/lib/Scrollbar.js' => '087e919c',
     'rsrc/externals/javelin/lib/Sound.js' => '949c0fe5',
     'rsrc/externals/javelin/lib/URI.js' => '6eff08aa',
     'rsrc/externals/javelin/lib/Vector.js' => '2caa8fb8',
@@ -350,7 +350,7 @@
     'rsrc/js/application/config/behavior-reorder-fields.js' => '14a827de',
     'rsrc/js/application/conpherence/ConpherenceThreadManager.js' => '9e507b59',
     'rsrc/js/application/conpherence/behavior-drag-and-drop-photo.js' => 'cf86d16a',
-    'rsrc/js/application/conpherence/behavior-durable-column.js' => 'ac11eb8a',
+    'rsrc/js/application/conpherence/behavior-durable-column.js' => 'bc5107aa',
     'rsrc/js/application/conpherence/behavior-menu.js' => '804b0773',
     'rsrc/js/application/conpherence/behavior-pontificate.js' => '21ba5861',
     'rsrc/js/application/conpherence/behavior-quicksand-blacklist.js' => '7927a7d3',
@@ -584,7 +584,7 @@
     'javelin-behavior-diffusion-locate-file' => '6d3e1947',
     'javelin-behavior-diffusion-pull-lastmodified' => '2b228192',
     'javelin-behavior-doorkeeper-tag' => 'e5822781',
-    'javelin-behavior-durable-column' => 'ac11eb8a',
+    'javelin-behavior-durable-column' => 'bc5107aa',
     'javelin-behavior-error-log' => '6882e80a',
     'javelin-behavior-event-all-day' => 'ca5fa62a',
     'javelin-behavior-fancy-datepicker' => '5c0f680f',
@@ -681,7 +681,7 @@
     'javelin-resource' => '44959b73',
     'javelin-routable' => 'b3e7d692',
     'javelin-router' => '29274e2b',
-    'javelin-scrollbar' => '4f812f8a',
+    'javelin-scrollbar' => '087e919c',
     'javelin-sound' => '949c0fe5',
     'javelin-stratcom' => '6c53634d',
     'javelin-tokenizer' => 'ab5f468d',
@@ -868,6 +868,12 @@
       'javelin-uri',
       'phabricator-file-upload',
     ),
+    '087e919c' => array(
+      'javelin-install',
+      'javelin-dom',
+      'javelin-stratcom',
+      'javelin-vector',
+    ),
     '0a3f3021' => array(
       'javelin-behavior',
       'javelin-stratcom',
@@ -1134,12 +1140,6 @@
       'javelin-stratcom',
       'javelin-request',
     ),
-    '4f812f8a' => array(
-      'javelin-install',
-      'javelin-dom',
-      'javelin-stratcom',
-      'javelin-vector',
-    ),
     '4fdb476d' => array(
       'javelin-behavior',
       'javelin-stratcom',
@@ -1681,16 +1681,6 @@
       'javelin-stratcom',
       'javelin-install',
     ),
-    'ac11eb8a' => array(
-      'javelin-behavior',
-      'javelin-dom',
-      'javelin-stratcom',
-      'javelin-behavior-device',
-      'javelin-scrollbar',
-      'javelin-quicksand',
-      'phabricator-keyboard-shortcut',
-      'conpherence-thread-manager',
-    ),
     'b1a59974' => array(
       'javelin-behavior',
       'javelin-aphlict',
@@ -1744,6 +1734,16 @@
       'javelin-stratcom',
       'javelin-dom',
     ),
+    'bc5107aa' => array(
+      'javelin-behavior',
+      'javelin-dom',
+      'javelin-stratcom',
+      'javelin-behavior-device',
+      'javelin-scrollbar',
+      'javelin-quicksand',
+      'phabricator-keyboard-shortcut',
+      'conpherence-thread-manager',
+    ),
     'bd4c8dca' => array(
       'javelin-install',
       'javelin-util',
diff --git a/webroot/rsrc/js/application/conpherence/behavior-durable-column.js b/webroot/rsrc/js/application/conpherence/behavior-durable-column.js
--- a/webroot/rsrc/js/application/conpherence/behavior-durable-column.js
+++ b/webroot/rsrc/js/application/conpherence/behavior-durable-column.js
@@ -73,8 +73,14 @@
   }
 
   function _drawColumn(visible) {
-    JX.DOM.alterClass(document.body, 'with-durable-column', visible);
-    JX.DOM.alterClass(document.body, 'with-durable-margin', !!margin);
+    JX.DOM.alterClass(
+      document.body,
+      'with-durable-column',
+      visible);
+    JX.DOM.alterClass(
+      document.body,
+      'with-durable-margin',
+      visible && !!margin);
 
     var column = _getColumnNode();
     if (visible) {