diff --git a/src/helper.js b/src/helper.js
index 830b91c9..552b11ad 100644
--- a/src/helper.js
+++ b/src/helper.js
@@ -101,6 +101,9 @@ function ip2hex(address) {
 }
 
 function expandHome(shortenedPath) {
+	if (!shortenedPath) {
+		return "";
+	}
 	var home;
 
 	if (os.homedir) {
@@ -112,7 +115,6 @@ function expandHome(shortenedPath) {
 	}
 
 	home = home.replace("$", "$$$$");
-
 	return path.resolve(shortenedPath.replace(/^~($|\/|\\)/, home + "$1"));
 }