diff --git a/tests/formats/test_bmsmd.py b/tests/formats/test_bmsmd.py
index 3d7eee3f..65431127 100644
--- a/tests/formats/test_bmsmd.py
+++ b/tests/formats/test_bmsmd.py
@@ -5,5 +5,5 @@
 
 def test_bmsmd(samus_returns_tree):
     parse_build_compare_editor(
-        Bmsmd, samus_returns_tree, "gui\minimaps\c10_samus.bmsmd"
+        Bmsmd, samus_returns_tree, r"gui\minimaps\c10_samus.bmsmd"
     )