diff --git a/build.psm1 b/build.psm1
index 2a109da28e..a465f0f20d 100644
--- a/build.psm1
+++ b/build.psm1
@@ -711,7 +711,7 @@ function Copy-MappedFiles {
         try
         {
             Push-Location $PslMonadRoot
-            if (git status --porcelain)
+            if (git status --porcelain -uno)
             {
                 MaybeTerminatingWarning "$pslMonadRoot has changes"
             }