diff --git a/AltBackup/BackupController.swift b/AltBackup/BackupController.swift
index 60d99dea..4b2379ac 100644
--- a/AltBackup/BackupController.swift
+++ b/AltBackup/BackupController.swift
@@ -89,7 +89,9 @@ class BackupController: NSObject
     {
         do
         {
-            guard let bundleIdentifier = Bundle.main.bundleIdentifier else { throw BackupError(.invalidBundleID, description: NSLocalizedString("Unable to create backup directory.", comment: "")) }
+            guard let bundleIdentifier = Bundle.main.object(forInfoDictionaryKey: Bundle.Info.altBundleID) as? String else {
+                throw BackupError(.invalidBundleID, description: NSLocalizedString("Unable to create backup directory.", comment: ""))
+            }
             
             guard
                 let altstoreAppGroup = Bundle.main.altstoreAppGroup,
@@ -186,7 +188,9 @@ class BackupController: NSObject
     {
         do
         {
-            guard let bundleIdentifier = Bundle.main.bundleIdentifier else { throw BackupError(.invalidBundleID, description: NSLocalizedString("Unable to access backup.", comment: "")) }
+            guard let bundleIdentifier = Bundle.main.object(forInfoDictionaryKey: Bundle.Info.altBundleID) as? String else {
+                throw BackupError(.invalidBundleID, description: NSLocalizedString("Unable to access backup.", comment: ""))
+            }
             
             guard
                 let altstoreAppGroup = Bundle.main.altstoreAppGroup,
diff --git a/AltBackup/Info.plist b/AltBackup/Info.plist
index 25e69f4e..63d01c06 100644
--- a/AltBackup/Info.plist
+++ b/AltBackup/Info.plist
@@ -6,6 +6,8 @@
 	<array>
 		<string>group.com.rileytestut.AltStore</string>
 	</array>
+	<key>ALTBundleIdentifier</key>
+	<string>com.rileytestut.AltBackup</string>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 	<key>CFBundleExecutable</key>