diff --git a/4chan_x.user.js b/4chan_x.user.js
index 4baaab5c9..416d632bc 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -1184,6 +1184,9 @@
     start: function() {
       var submit, _i, _len, _ref;
       cooldown.duration = Math.ceil(($.get(g.BOARD + '/cooldown', 0) - Date.now()) / 1000);
+      if (!(cooldown.duration > 0)) {
+        return;
+      }
       _ref = $$('#com_submit');
       for (_i = 0, _len = _ref.length; _i < _len; _i++) {
         submit = _ref[_i];
@@ -1195,7 +1198,7 @@
     cb: function() {
       var submit, submits, _i, _j, _len, _len2, _results;
       submits = $$('#com_submit');
-      if (--cooldown.duration > 0) {
+      if (--cooldown.duration) {
         setTimeout(cooldown.cb, 1000);
         _results = [];
         for (_i = 0, _len = submits.length; _i < _len; _i++) {
diff --git a/script.coffee b/script.coffee
index 3eb5e1083..d4b25512d 100644
--- a/script.coffee
+++ b/script.coffee
@@ -939,6 +939,7 @@ cooldown =
 
   start: ->
     cooldown.duration = Math.ceil ($.get(g.BOARD+'/cooldown', 0) - Date.now()) / 1000
+    return unless cooldown.duration > 0
     for submit in $$ '#com_submit'
       submit.value = cooldown.duration
       submit.disabled = true
@@ -946,7 +947,7 @@ cooldown =
 
   cb: ->
     submits = $$ '#com_submit'
-    if --cooldown.duration > 0
+    if --cooldown.duration
       setTimeout cooldown.cb, 1000
       for submit in submits
         submit.value = cooldown.duration