diff --git a/extensions/rust/language-configuration.json b/extensions/rust/language-configuration.json
index 689f90d77ef..1bf53cd74a4 100644
--- a/extensions/rust/language-configuration.json
+++ b/extensions/rust/language-configuration.json
@@ -23,8 +23,8 @@
 	],
 	"folding": {
 		"markers": {
-			"start": "^\\s*// region",
-			"end": "^\\s*// endregion"
+			"start": "^\\s*#\\s*region\\b",
+			"end": "^\\s*#\\s*endregion\\b"
 		}
 	}
 }