diff --git a/4chan_x.user.js b/4chan_x.user.js
index 8b35e604f..bccbc89e8 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -1686,7 +1686,7 @@
         hour = date.getHours();
         meridiem = '';
         if ($.config('Localized am/pm')) {
-          meridiem = hour < 12 ? ' a.m.' : ' p.m.';
+          meridiem = hour < 12 ? 'AM' : 'PM';
           hour = hour % 12 || 12;
         }
         hour = $.zeroPad(hour);
diff --git a/script.coffee b/script.coffee
index f57f14a8f..9a0f96809 100644
--- a/script.coffee
+++ b/script.coffee
@@ -1355,7 +1355,7 @@ localize =
       hour = date.getHours()
       meridiem = ''
       if $.config 'Localized am/pm'
-        meridiem = if hour < 12 then ' a.m.' else ' p.m.'
+        meridiem = if hour < 12 then 'AM' else 'PM'
         hour = hour % 12 or 12
       hour = $.zeroPad hour
       dotw = [