diff --git a/rustfmt.toml b/rustfmt.toml
index ef56059feb1c..1643139cc2d7 100644
--- a/rustfmt.toml
+++ b/rustfmt.toml
@@ -3,7 +3,6 @@ version = "Two"
 use_small_heuristics = "Max"
 merge_derives = false
 
-# by default we ignore everything in the repository
 # tidy only checks files which are not ignored, each entry follows gitignore style
 ignore = [
     "/build/",
@@ -18,7 +17,7 @@ ignore = [
     # but we still want to format rmake.rs files in tests/run-make/ so we need to do this
     # dance to avoid the parent directory from being excluded
     "!/tests/run-make/",
-    "/tests/run-make/*/*.rs",
+    "/tests/run-make/*",
     "!/tests/run-make/*/rmake.rs",
 
     # do not format submodules