diff --git a/src/hipercow/dide/mounts.py b/src/hipercow/dide/mounts.py
index 4ff9452..b52ca5a 100644
--- a/src/hipercow/dide/mounts.py
+++ b/src/hipercow/dide/mounts.py
@@ -35,7 +35,7 @@ def remap_path(path: Path, mounts: list[Mount]) -> PathMap:
         raise Exception(msg)
     mount = pos[0]
     relative = path.relative_to(mount.local)
-    if re.match("^[A-Za-z]:/?$", str(mount.local)):
+    if re.match("^[A-Za-z]:/?$", str(mount.local).replace("\\", "/")):
         remote = mount.local
     elif mount.host == "qdrive":
         remote = Path("Q:")
diff --git a/tests/dide/test_mounts.py b/tests/dide/test_mounts.py
index 4d55645..f5d1f04 100644
--- a/tests/dide/test_mounts.py
+++ b/tests/dide/test_mounts.py
@@ -77,6 +77,7 @@ def test_throw_if_two_plausible_mounts():
 
 
 def test_preserve_drive_letter_if_given():
+	drive = "P:"
     m = [mounts.Mount("host", Path("/hostmount"), Path("P:"))]
     path = Path("P:/local/path")
     res = mounts.remap_path(path, m)