diff --git a/4chan_x.user.js b/4chan_x.user.js
index e8cd84a83..9fc3b82fa 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -3012,7 +3012,7 @@
         g.PAGENUM = parseInt(temp) || 0;
       }
       if (location.hostname === 'sys.4chan.org') {
-        if (d.body) {
+        if (/interactive|complete/.test(d.readyState)) {
           qr.sys();
         } else {
           $.on(d, 'DOMContentLoaded', qr.sys);
@@ -3054,7 +3054,7 @@
       if (conf['Quote Backlinks']) quoteBacklink.init();
       if (conf['Indicate OP quote']) quoteOP.init();
       if (conf['Indicate Cross-thread Quotes']) quoteDR.init();
-      if (d.body) {
+      if (/interactive|complete/.test(d.readyState)) {
         return Main.onLoad();
       } else {
         return $.on(d, 'DOMContentLoaded', Main.onLoad);
diff --git a/changelog b/changelog
index 78618767b..8bcdeccaf 100644
--- a/changelog
+++ b/changelog
@@ -1,6 +1,7 @@
 master
 - mayhem
   fix favicon updating on Opera
+  fix compatibility with Tampermonkey
 
 2.23.0
 - mayhem
diff --git a/script.coffee b/script.coffee
index 71fd939ad..1d94e2339 100644
--- a/script.coffee
+++ b/script.coffee
@@ -2328,7 +2328,7 @@ Main =
       g.PAGENUM = parseInt(temp) or 0
 
     if location.hostname is 'sys.4chan.org'
-      if d.body
+      if /interactive|complete/.test d.readyState
         qr.sys()
       else
         $.on d, 'DOMContentLoaded', qr.sys
@@ -2404,7 +2404,7 @@ Main =
       quoteDR.init()
 
 
-    if d.body
+    if /interactive|complete/.test d.readyState
       Main.onLoad()
     else
       $.on d, 'DOMContentLoaded', Main.onLoad