1 files changed, 5 insertions, 3 deletions
diff --git a/src/nvim/path.c b/src/nvim/path.c
index fe564182d8..54170e7a8b 100644
--- a/src/nvim/path.c
+++ b/src/nvim/path.c
@@ -1521,7 +1521,7 @@ void simplify_filename(char_u *filename)
 
   p = filename;
 #ifdef BACKSLASH_IN_FILENAME
-  if (p[1] == ':') {        // skip "x:"
+  if (p[0] != NUL && p[1] == ':') {        // skip "x:"
     p += 2;
   }
 #endif
@@ -2402,9 +2402,11 @@ static int path_to_absolute(const char_u *fname, char_u *buf, size_t len, int fo
 int path_is_absolute(const char_u *fname)
 {
 #ifdef WIN32
+  if (*fname == NUL) {
+    return true;
+  }
   // A name like "d:/foo" and "//server/share" is absolute
-  return ((isalpha(fname[0]) && fname[1] == ':'
-           && vim_ispathsep_nocolon(fname[2]))
+  return ((isalpha(fname[0]) && fname[1] == ':' && vim_ispathsep_nocolon(fname[2]))
           || (vim_ispathsep_nocolon(fname[0]) && fname[0] == fname[1]));
 #else
   // UNIX: This just checks if the file name starts with '/' or '~'.