diff --git a/Utils.py b/Utils.py
index 092946df..9cbc3a3f 100644
--- a/Utils.py
+++ b/Utils.py
@@ -165,3 +165,12 @@ def from_pretty_time(pretty_time):
         seconds += number
     if seconds > 0:
         return seconds
+
+IS_TRUE = ["true", "yes", "on", "y"]
+IS_FALSE = ["false", "no", "off", "n"]
+def bool_or_none(s):
+    s = s.lower()
+    if s in IS_TRUE:
+        return True
+    elif s in IS_FALSE:
+        return False
diff --git a/modules/auto_mode.py b/modules/auto_mode.py
index b369bcbd..2d7370a4 100644
--- a/modules/auto_mode.py
+++ b/modules/auto_mode.py
@@ -1,4 +1,4 @@
-
+import Utils
 
 class Module(object):
     def __init__(self, bot):
@@ -7,13 +7,11 @@ class Module(object):
         bot.events.on("channel").on("mode").hook(self.on_mode)
         bot.events.on("received").on("join").hook(self.on_join)
 
-    def validate_setchannel(self, s):
-        return s.lower() == "true"
     def boot_done(self, event):
         self.bot.events.on("postboot").on("configure").on(
             "channelset").call(setting="automode",
             help="Disable/Enable automode",
-            validate=self.validate_setchannel)
+            validate=Utils.bool_or_none)
 
     def on_mode(self, event):
         if event["channel"].get_setting("automode", False):
diff --git a/modules/karma.py b/modules/karma.py
index e51d018f..b36ca18e 100644
--- a/modules/karma.py
+++ b/modules/karma.py
@@ -1,4 +1,5 @@
 import re, time
+import Utils
 
 REGEX_KARMA = re.compile("(.*)(\+{2,}|\-{2,})")
 KARMA_DELAY_SECONDS = 3
@@ -14,13 +15,11 @@ class Module(object):
             usage="[target]")
         bot.events.on("boot").on("done").hook(self.boot_done)
 
-    def validate_setchannel(self, s):
-        return s.lower() == "true"
     def boot_done(self, event):
         self.bot.events.on("postboot").on("configure").on(
             "channelset").call(setting="karmaverbose",
             help="Disable/Enable automatically responding to karma changes",
-            validate=self.validate_setchannel)
+            validate=Utils.bool_or_none)
 
     def new_user(self, event):
         event["user"].last_karma = None
diff --git a/modules/sed.py b/modules/sed.py
index 6bdd1cb0..01bbdf4c 100644
--- a/modules/sed.py
+++ b/modules/sed.py
@@ -1,4 +1,5 @@
 import re, traceback
+import Utils
 
 REGEX_SPLIT = re.compile("(?<!\\\\)/")
 REGEX_SED = re.compile("^s/")
@@ -10,13 +11,11 @@ class Module(object):
         bot.events.on("received").on("message").on("channel").hook(
             self.channel_message)
 
-    def validate_setchannel(self, s):
-        return s.lower() == "true"
     def boot_done(self, event):
         self.bot.events.on("postboot").on("configure").on(
             "channelset").call(setting="sed",
             help="Disable/Enable sed in a channel",
-            validate=self.validate_setchannel)
+            validate=Utils.bool_or_none)
 
     def channel_message(self, event):
         if event["action"] or not event["channel"].get_setting("sed", True):
diff --git a/modules/youtube.py b/modules/youtube.py
index e20c4305..e14f9118 100644
--- a/modules/youtube.py
+++ b/modules/youtube.py
@@ -26,13 +26,11 @@ class Module(object):
             self.channel_message)
         bot.events.on("boot").on("done").hook(self.boot_done)
 
-    def validate_setchannel(self, s):
-        return s.lower() == "true"
     def boot_done(self, event):
         self.bot.events.on("postboot").on("configure").on(
             "channelset").call(setting="autoyoutube",
             help="Disable/Enable automatically getting info from youtube URLs",
-            validate=self.validate_setchannel)
+            validate=Utils.bool_or_none)
 
     def get_video_page(self, video_id, part):
         return Utils.get_url(URL_YOUTUBEVIDEO, get_params={"part": part,