diff --git a/DynamicIsland.xcodeproj/project.pbxproj b/DynamicIsland.xcodeproj/project.pbxproj
index 6e847c1..914fbb7 100644
--- a/DynamicIsland.xcodeproj/project.pbxproj
+++ b/DynamicIsland.xcodeproj/project.pbxproj
@@ -429,7 +429,7 @@
 					"@executable_path/../Frameworks",
 				);
 				MARKETING_VERSION = "1.2.1-beta";
-				PRODUCT_BUNDLE_IDENTIFIER = com.Ebullioscopic.Atoll;
+				PRODUCT_BUNDLE_IDENTIFIER = com.Ebullioscopic.Atoll.dev;
 				PRODUCT_NAME = Atoll;
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				RUNTIME_EXCEPTION_ALLOW_DYLD_ENVIRONMENT_VARIABLES = NO;