diff --git a/Headers/Utils.h b/Headers/Utils.h
index 0b1fb2f..615755d 100644
--- a/Headers/Utils.h
+++ b/Headers/Utils.h
@@ -3,4 +3,4 @@
 
 NSURL *getPyoncordDirectory(void);
 UIColor *hexToUIColor(NSString *hex);
-void showErrorAlert(NSString *title, NSString *message);
\ No newline at end of file
+void showErrorAlert(NSString *title, NSString *message, void (^completion)(void));
\ No newline at end of file
diff --git a/Sources/Sideloading.x b/Sources/Sideloading.x
index 8a2a380..45121e7 100644
--- a/Sources/Sideloading.x
+++ b/Sources/Sideloading.x
@@ -1,5 +1,6 @@
 #import "Logger.h"
 #import "Utils.h"
+#import <AuthenticationServices/AuthenticationServices.h>
 #import <Foundation/Foundation.h>
 #import <Security/Security.h>
 #import <UIKit/UIKit.h>
@@ -18,14 +19,31 @@ extern OSStatus CMSDecoderCopyContent(CMSDecoderRef cmsDecoder, CFDataRef *conte
 
 typedef NS_ENUM(NSInteger, BundleIDError) {
     BundleIDErrorFiles,
-    BundleIDErrorIcon
+    BundleIDErrorIcon,
+    BundleIDErrorPasskey
 };
 
 static void showBundleIDError(BundleIDError error) {
-    NSString *message = @"For this to work change the Bundle ID so that it matches your "
-                        @"provisioning profile's App ID (excluding the Team ID prefix).";
-    NSString *title = error == BundleIDErrorFiles ? @"Cannot Access Files" : @"Cannot Change Icon";
-    showErrorAlert(title, message);
+    NSString *message;
+    NSString *title;
+    void (^completion)(void) = nil;
+
+    switch (error) {
+    case BundleIDErrorFiles:
+    case BundleIDErrorIcon:
+        message = @"For this to work change the Bundle ID so that it matches your "
+                  @"provisioning profile's App ID (excluding the Team ID prefix).";
+        title   = error == BundleIDErrorFiles ? @"Cannot Access Files" : @"Cannot Change Icon";
+        break;
+    case BundleIDErrorPasskey:
+        message    = @"Passkeys are not supported when sideloading Discord. "
+                     @"Please use a different login method.";
+        title      = @"Cannot Use Passkey";
+        completion = ^{ exit(0); };
+        break;
+    }
+
+    showErrorAlert(title, message, completion);
 }
 
 static NSString *getProvisioningAppID(void) {
@@ -180,6 +198,14 @@ static BOOL isSelfCall(void) {
 }
 %end
 
+%hook ASAuthorizationController
+
+- (void)performRequests {
+    showBundleIDError(BundleIDErrorPasskey);
+}
+
+%end
+
 %end
 
 %ctor {
diff --git a/Sources/Tweak.x b/Sources/Tweak.x
index e8a1287..c0df699 100644
--- a/Sources/Tweak.x
+++ b/Sources/Tweak.x
@@ -23,7 +23,7 @@ static LoaderConfig *loaderConfig;
     if (!bunnyPatchesBundle) {
         BunnyLog(@"Failed to load BunnyPatches bundle from path: %@", bunnyPatchesBundlePath);
         showErrorAlert(@"Loader Error",
-                       @"Failed to initialize mod loader. Please reinstall the tweak.");
+                       @"Failed to initialize mod loader. Please reinstall the tweak.", nil);
         return %orig;
     }
 
@@ -31,7 +31,7 @@ static LoaderConfig *loaderConfig;
     if (!patchPath) {
         BunnyLog(@"Failed to find payload-base.js in bundle");
         showErrorAlert(@"Loader Error",
-                       @"Failed to initialize mod loader. Please reinstall the tweak.");
+                       @"Failed to initialize mod loader. Please reinstall the tweak.", nil);
         return %orig;
     }
 
diff --git a/Sources/Utils.m b/Sources/Utils.m
index bf4d274..a866e34 100644
--- a/Sources/Utils.m
+++ b/Sources/Utils.m
@@ -43,7 +43,7 @@
     return nil;
 }
 
-void showErrorAlert(NSString *title, NSString *message) {
+void showErrorAlert(NSString *title, NSString *message, void (^completion)(void)) {
     dispatch_async(dispatch_get_main_queue(), ^{
         UIAlertController *alert =
             [UIAlertController alertControllerWithTitle:title
@@ -52,7 +52,11 @@ void showErrorAlert(NSString *title, NSString *message) {
 
         UIAlertAction *okAction = [UIAlertAction actionWithTitle:@"OK"
                                                            style:UIAlertActionStyleDefault
-                                                         handler:nil];
+                                                         handler:^(UIAlertAction *action) {
+                                                             if (completion) {
+                                                                 completion();
+                                                             }
+                                                         }];
 
         [alert addAction:okAction];