main.go | 4 +++-

diff --git a/main.go b/main.go
index 3be6489e9acefaff3f3fb5218c0c688bc89dae581e0816955fdf43164f353223..04a340cbcab03525ee710e7e08a55320f0d469a9164c3cd0266b2e2eb2ae3481 100644
--- a/main.go
+++ b/main.go
@@ -104,7 +104,9 @@ 	NoColor = os.Getenv(EnvNoColor) != ""
 	NoSync = os.Getenv(EnvNoSync) == "1"
 
 	TopDir = os.Getenv(EnvTopDir)
-	if TopDir != "" {
+	if TopDir == "" {
+		TopDir = "/"
+	} else {
 		TopDir, err = filepath.Abs(TopDir)
 		if err != nil {
 			panic(err)