diff --git a/src/nms-api/NMSConnectionFactory.cs b/src/nms-api/NMSConnectionFactory.cs
index 9e14ed3..06cea7c 100644
--- a/src/nms-api/NMSConnectionFactory.cs
+++ b/src/nms-api/NMSConnectionFactory.cs
@@ -340,7 +340,11 @@
                 Assembly executingAssembly = Assembly.GetExecutingAssembly();
                 try
                 {
-                    pathList.Add(Path.GetDirectoryName(executingAssembly.Location));
+                    var path = Path.GetDirectoryName(executingAssembly.Location);
+                    if (!string.IsNullOrEmpty(path))
+                    {
+                        pathList.Add(path);
+                    }
                 }
                 catch (Exception ex)
                 {