diff --git a/Sources/KeyboardShortcuts/Shortcut.swift b/Sources/KeyboardShortcuts/Shortcut.swift
index 38902ec..bc5a486 100644
--- a/Sources/KeyboardShortcuts/Shortcut.swift
+++ b/Sources/KeyboardShortcuts/Shortcut.swift
@@ -105,8 +105,11 @@ extension KeyboardShortcuts.Shortcut {
 	Check whether the keyboard shortcut is disallowed.
 	*/
 	var isDisallowed: Bool {
+		let osVersion = ProcessInfo.processInfo.operatingSystemVersion
+
 		guard
-			#available(macOS 15, *),
+			osVersion.majorVersion == 15,
+			osVersion.minorVersion == 0 || osVersion.minorVersion == 1,
 			Constants.isSandboxed
 		else {
 			return false