diff --git a/.scalafmt.conf b/.scalafmt.conf
index 86d515d..59c2393 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -11,4 +11,4 @@ rewrite.scala3.countEndMarkerLines = lastBlockOnly
 rewrite.scala3.insertEndMarkerMinLines = 1
 indent.main = 2
 maxColumn = 120
-project.excludeFilters = [ ".*/build\\.sc"]
\ No newline at end of file
+project.excludeFilters = [ ".*/build\\.mill"]
\ No newline at end of file