diff --git a/ospec/bin/ospec b/ospec/bin/ospec
index 45c00a35..c5034d09 100644
--- a/ospec/bin/ospec
+++ b/ospec/bin/ospec
@@ -10,7 +10,7 @@ function traverseDirectory(pathname, callback) {
 	return new Promise(function(resolve, reject) {
 		fs.lstat(pathname, function(err, stat) {
 			if (err) reject(err)
-			if (stat.isDirectory()) {
+			if (stat && stat.isDirectory()) {
 				fs.readdir(pathname, function(err, pathnames) {
 					if (err) reject(err)
 					var promises = []