diff --git a/4chan_x.user.js b/4chan_x.user.js
index fd540aad3..e991fc2a7 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -2231,7 +2231,7 @@
 
   sauce = {
     init: function() {
-      sauce.prefixes = conf['flavors'].match(/^[^#].+$/gm);
+      if (!(sauce.prefixes = conf['flavors'].match(/^[^#].+$/gm)).length) return;
       sauce.names = sauce.prefixes.map(function(prefix) {
         return prefix.match(/(\w+)\./)[1];
       });
diff --git a/changelog b/changelog
index 72b6b135f..fdf2cf3f6 100644
--- a/changelog
+++ b/changelog
@@ -1,4 +1,6 @@
 master
+- mayhem
+  fix empty sauce or all flavors commented out from breaking 4chan X
 
 2.23.5
 - mayhem
diff --git a/script.coffee b/script.coffee
index 95bf48241..0a0394d2d 100644
--- a/script.coffee
+++ b/script.coffee
@@ -1790,7 +1790,7 @@ anonymize =
 
 sauce =
   init: ->
-    sauce.prefixes = conf['flavors'].match /^[^#].+$/gm
+    return unless (sauce.prefixes = conf['flavors'].match /^[^#].+$/gm).length
     sauce.names = sauce.prefixes.map (prefix) -> prefix.match(/(\w+)\./)[1]
     g.callbacks.push (root) ->
       return if root.className is 'inline' or not span = $ '.filesize', root