diff --git a/src/installer/managed/Microsoft.NET.HostModel/Bundle/Bundler.cs b/src/installer/managed/Microsoft.NET.HostModel/Bundle/Bundler.cs
index 61d0e99ff81272ed84bd57436d3462920267f22b..073bf861aad03b53f80cc9931986eb1fca0264d6 100644
--- a/src/installer/managed/Microsoft.NET.HostModel/Bundle/Bundler.cs
+++ b/src/installer/managed/Microsoft.NET.HostModel/Bundle/Bundler.cs
@@ -92,7 +92,7 @@ bool ShouldEmbed(string fileRelativePath)
                 return false;
             }
 
-            if (Path.GetExtension(fileRelativePath).ToLower().Equals(".pdb"))
+            if (Path.GetExtension(fileRelativePath).ToLowerInvariant().Equals(".pdb"))
             {
                 return EmbedPDBs;
             }