diff --git a/src/Invoke-HttpUnit.ps1 b/src/Invoke-HttpUnit.ps1
index 767cf9a..04d4ae8 100644
--- a/src/Invoke-HttpUnit.ps1
+++ b/src/Invoke-HttpUnit.ps1
@@ -78,8 +78,7 @@ function Invoke-HttpUnit {
         [string]
         $Path,
 
-        [Parameter(Mandatory,
-            Position = 1,
+        [Parameter(Position = 1,
             ParameterSetName = 'config-file')]
         [ValidateNotNullOrEmpty()]
         [string[]]