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(
     'conpherence.pkg.css' => '82aca405',
-    'conpherence.pkg.js' => '6249a1cf',
+    'conpherence.pkg.js' => '8a03b309',
     'core.pkg.css' => '87c434ee',
     'core.pkg.js' => '021685f1',
     'darkconsole.pkg.js' => 'e7393ebb',
@@ -375,7 +375,7 @@
     'rsrc/js/application/conpherence/behavior-durable-column.js' => 'aa3bd034',
     'rsrc/js/application/conpherence/behavior-menu.js' => '7524fcfa',
     'rsrc/js/application/conpherence/behavior-participant-pane.js' => '8604caa8',
-    'rsrc/js/application/conpherence/behavior-pontificate.js' => 'f2e58483',
+    'rsrc/js/application/conpherence/behavior-pontificate.js' => 'c525eed8',
     'rsrc/js/application/conpherence/behavior-quicksand-blacklist.js' => '7927a7d3',
     'rsrc/js/application/conpherence/behavior-toggle-widget.js' => '3dbf94d5',
     'rsrc/js/application/countdown/timer.js' => 'e4cc26b3',
@@ -600,7 +600,7 @@
     'javelin-behavior-config-reorder-fields' => 'b6993408',
     'javelin-behavior-conpherence-menu' => '7524fcfa',
     'javelin-behavior-conpherence-participant-pane' => '8604caa8',
-    'javelin-behavior-conpherence-pontificate' => 'f2e58483',
+    'javelin-behavior-conpherence-pontificate' => 'c525eed8',
     'javelin-behavior-conpherence-search' => '9bbf3762',
     'javelin-behavior-countdown-timer' => 'e4cc26b3',
     'javelin-behavior-dark-console' => 'f411b6ae',
@@ -1944,6 +1944,14 @@
       'javelin-stratcom',
       'phabricator-tooltip',
     ),
+    'c525eed8' => array(
+      'javelin-behavior',
+      'javelin-dom',
+      'javelin-util',
+      'javelin-workflow',
+      'javelin-stratcom',
+      'conpherence-thread-manager',
+    ),
     'c587b80f' => array(
       'javelin-install',
     ),
@@ -2165,14 +2173,6 @@
     'f12cbc9f' => array(
       'phui-oi-list-view-css',
     ),
-    'f2e58483' => array(
-      'javelin-behavior',
-      'javelin-dom',
-      'javelin-util',
-      'javelin-workflow',
-      'javelin-stratcom',
-      'conpherence-thread-manager',
-    ),
     'f411b6ae' => array(
       'javelin-behavior',
       'javelin-stratcom',
diff --git a/webroot/rsrc/js/application/conpherence/behavior-pontificate.js b/webroot/rsrc/js/application/conpherence/behavior-pontificate.js
--- a/webroot/rsrc/js/application/conpherence/behavior-pontificate.js
+++ b/webroot/rsrc/js/application/conpherence/behavior-pontificate.js
@@ -38,6 +38,16 @@
         return;
       }
 
+      var node = document.body;
+      var className = 'remarkup-fullscreen-mode';
+      var full = ((' '+node.className+' ').indexOf(' '+className+' ') > -1);
+
+      if (full) {
+        // If the fullscreen editor is running, don't Send on Enter.
+        return;
+      }
+
+
       // From here on, interpret this as a "send" action, not a literal
       // newline.
       e.kill();