diff --git a/fs/fspath/path.go b/fs/fspath/path.go
index 285d843ff..7f0868b8f 100644
--- a/fs/fspath/path.go
+++ b/fs/fspath/path.go
@@ -13,7 +13,7 @@ import (
 )
 
 const (
-	configNameRe = `[\w_. -]+`
+	configNameRe = `[\w. -]+`
 	remoteNameRe = `^(:?` + configNameRe + `)`
 )