1 files changed, 4 insertions, 1 deletions

diff --git a/src/w32.c b/src/w32.c
index 11fb2a72f69..e84c63d674c 100644
--- a/src/w32.c
+++ b/src/w32.c
@@ -5138,7 +5138,10 @@ fstatat (int fd, char const *name, struct stat *st, int flags)
 
   if (fd != AT_FDCWD)
     {
-      if (_snprintf (fullname, sizeof fullname, "%s/%s", dir_pathname, name)
+      char lastc = dir_pathname[strlen (dir_pathname) - 1];
+
+      if (_snprintf (fullname, sizeof fullname, "%s%s%s",
+                     dir_pathname, IS_DIRECTORY_SEP (lastc) ? "" : "/", name)
           < 0)
         {
           errno = ENAMETOOLONG;