diff --git a/action_access_key.go b/action_access_key.go
index b610c968..030b77ca 100644
--- a/action_access_key.go
+++ b/action_access_key.go
@@ -61,7 +61,7 @@ func (c *Client) GetAccessKey(ctx context.Context, xPubID, id string) (*AccessKe
 	if err != nil {
 		return nil, err
 	} else if accessKey == nil {
-		return nil, ErrMissingXpub
+		return nil, ErrAccessKeyNotFound
 	}
 
 	// make sure this is the correct accessKey
diff --git a/errors.go b/errors.go
index a97db492..17562034 100644
--- a/errors.go
+++ b/errors.go
@@ -43,6 +43,9 @@ var ErrXpubIDMisMatch = errors.New("xpub_id mismatch")
 // ErrMissingXpub is when the field is required but missing
 var ErrMissingXpub = errors.New("could not find xpub")
 
+// ErrAccessKeyNotFound is when the access key not found
+var ErrAccessKeyNotFound = errors.New("access key not found")
+
 // ErrMissingLockingScript is when the field is required but missing
 var ErrMissingLockingScript = errors.New("could not find locking script")