1 files changed, 6 insertions, 1 deletions
diff --git a/LibGit2Sharp/Repository.cs b/LibGit2Sharp/Repository.cs
index bdf84e48..a3303d99 100644
--- a/LibGit2Sharp/Repository.cs
+++ b/LibGit2Sharp/Repository.cs
@@ -155,7 +155,12 @@ namespace LibGit2Sharp
         /// <returns>True if a repository can be resolved through this path; false otherwise</returns>
         static public bool IsValid(string path)
         {
-            Ensure.ArgumentNotNullOrEmptyString(path, "path");
+            Ensure.ArgumentNotNull(path, "path");
+
+            if (string.IsNullOrWhiteSpace(path))
+            {
+                return false;
+            }
 
             try
             {