diff --git a/config/config.go b/config/config.go
index 743d8ce..1aea832 100644
--- a/config/config.go
+++ b/config/config.go
@@ -121,6 +121,10 @@ func (c *C) HasChanged(k string) bool {
 // CatchHUP will listen for the HUP signal in a go routine and reload all configs found in the
 // original path provided to Load. The old settings are shallow copied for change detection after the reload.
 func (c *C) CatchHUP(ctx context.Context) {
+	if c.path == "" {
+		return
+	}
+
 	ch := make(chan os.Signal, 1)
 	signal.Notify(ch, syscall.SIGHUP)