diff --git a/Shared/Constants.h b/Shared/Constants.h
index dc44c43..592b7e6 100644
--- a/Shared/Constants.h
+++ b/Shared/Constants.h
@@ -25,5 +25,6 @@
 
 #define SETTING_ESF @"KronosESFTamperingDetectionEnabled"
 #define SETTING_SENTRY @"KronosSentryTelemetryEnabled"
+#define SETTING_PRERELEASE_UPDATES @"KronosSparklePreReleaseUpdates"
 
 #endif /* Constants_h */
diff --git a/TCCKronos/AppDelegate.m b/TCCKronos/AppDelegate.m
index 9ad8ebf..15cfceb 100644
--- a/TCCKronos/AppDelegate.m
+++ b/TCCKronos/AppDelegate.m
@@ -32,7 +32,8 @@ - (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
     // Register a default set of values for UserDefaults
     NSDictionary *appDefaults = @{
         SETTING_ESF: @YES,
-        SETTING_SENTRY: @YES
+        SETTING_SENTRY: @YES,
+        SETTING_PRERELEASE_UPDATES: @NO
     };
 
     [[NSUserDefaults standardUserDefaults] registerDefaults:appDefaults];
@@ -132,7 +133,7 @@ - (void)checkLaunchdPlist {
             return;
         }
         
-        NSLog(@"Found existing plist at %@", targetPath);
+        NSLog(@"Found existing plist at %@ for a different version, replacing", targetPath);
         
         [[NSFileManager defaultManager] removeItemAtPath:targetPath error:&error];
         
@@ -278,6 +279,14 @@ -(void)setActivationPolicy
     return;
 }
 
+- (NSSet<NSString *> *)allowedChannelsForUpdater:(SPUUpdater *)updater {
+    if ([[NSUserDefaults standardUserDefaults] boolForKey:SETTING_PRERELEASE_UPDATES]) {
+        return [NSSet setWithObject:@"prerelease"];
+    } else {
+        return [NSSet set];
+    }
+}
+
 - (BOOL)supportsGentleScheduledUpdateReminders {
     return YES;
 }