diff --git a/src/click/_termui_impl.py b/src/click/_termui_impl.py
index 22bab980c..1d23026ed 100644
--- a/src/click/_termui_impl.py
+++ b/src/click/_termui_impl.py
@@ -759,7 +759,7 @@ def _unquote_file(url: str) -> str:
     elif WIN:
         if locate:
             url = _unquote_file(url)
-            args = ["explorer", f"/select,{url}"]
+            args = ["explorer", "/select,", url]
             try:
                 return subprocess.call(args)
             except OSError: