diff --git a/common/content/commandline.js b/common/content/commandline.js
index 72fcd547..0c26369a 100644
--- a/common/content/commandline.js
+++ b/common/content/commandline.js
@@ -183,7 +183,7 @@ const CommandLine = Module("commandline", {
         });
         this.registerCallback("complete", modes.PROMPT, function (context) {
             if (self._input.complete)
-                context.fork("input", 0, commandline, input.complete);
+                context.fork("input", 0, commandline, self._input.complete);
         });
 
         function cancelPrompt(value) {
diff --git a/common/content/hints.js b/common/content/hints.js
index d9323da1..48974c7e 100644
--- a/common/content/hints.js
+++ b/common/content/hints.js
@@ -1049,7 +1049,7 @@ const Hints = Module("hints", {
                         promptHighlight: "Normal",
                         completer: function (context) {
                             context.compare = function () 0;
-                            context.completions = [[k, v.prompt] for ([k, v] in Iterator(this._hintModes))];
+                            context.completions = [[k, v.prompt] for ([k, v] in Iterator(hints._hintModes))];
                         },
                         onChange: function () { modes.pop(); },
                         onCancel: function (arg) { arg && setTimeout(function () hints.show(arg), 0); }
diff --git a/common/content/options.js b/common/content/options.js
index 7188f0ac..5af9c2f4 100644
--- a/common/content/options.js
+++ b/common/content/options.js
@@ -43,7 +43,7 @@ const Option = Class("Option", {
 
         // add no{option} variant of boolean {option} to this.names
         if (this.type == "boolean")
-            this.names = array([name, "no" + name] for (name in values(names))).flatten();
+            this.names = array([name, "no" + name] for (name in values(names))).flatten().__proto__;
 
         if (this.globalValue == undefined)
             this.globalValue = this.defaultValue;