diff --git a/NBi.Extensibility/ExternalDependencyNotFoundException.cs b/NBi.Extensibility/ExternalDependencyNotFoundException.cs
index 51a8d8676..44212a8f2 100644
--- a/NBi.Extensibility/ExternalDependencyNotFoundException.cs
+++ b/NBi.Extensibility/ExternalDependencyNotFoundException.cs
@@ -9,7 +9,7 @@ namespace NBi.Extensibility
     public class ExternalDependencyNotFoundException : NBiException
     {
         public ExternalDependencyNotFoundException(string filename) 
-            : base ($"This test is in error because the following dependency has not been found '{Path.GetFullPath(filename)}'")
+            : base ($"This test is in error because the following dependency has not been found '{Path.GetFullPath(filename)}'.")
         { }