diff --git a/orbit/pkg/bitlocker/bitlocker_worker_notwindows.go b/orbit/pkg/bitlocker/bitlocker_worker_notwindows.go
index 3d8a801dd0f..d87126622e8 100644
--- a/orbit/pkg/bitlocker/bitlocker_worker_notwindows.go
+++ b/orbit/pkg/bitlocker/bitlocker_worker_notwindows.go
@@ -2,6 +2,12 @@
 
 package bitlocker
 
+import "errors"
+
+// ErrNotSupported is returned by COMWorker methods on non-Windows platforms
+// to indicate that BitLocker operations are not supported on this platform.
+var ErrNotSupported = errors.New("bitlocker: not supported on this platform")
+
 // COMWorker is a no-op on non-Windows platforms.
 type COMWorker struct{}
 
@@ -12,10 +18,10 @@ func NewCOMWorker() (*COMWorker, error) { return &COMWorker{}, nil }
 func (w *COMWorker) Close() {}
 
 // GetEncryptionStatus is a no-op on non-Windows platforms.
-func (w *COMWorker) GetEncryptionStatus() ([]VolumeStatus, error) { return nil, nil }
+func (w *COMWorker) GetEncryptionStatus() ([]VolumeStatus, error) { return nil, ErrNotSupported }
 
 // EncryptVolume is a no-op on non-Windows platforms.
-func (w *COMWorker) EncryptVolume(string) (string, error) { return "", nil }
+func (w *COMWorker) EncryptVolume(string) (string, error) { return "", ErrNotSupported }
 
 // RotateRecoveryKey is a no-op on non-Windows platforms.
-func (w *COMWorker) RotateRecoveryKey(string) (string, error) { return "", nil }
+func (w *COMWorker) RotateRecoveryKey(string) (string, error) { return "", ErrNotSupported }