diff --git a/m4/wcwidth.m4 b/m4/wcwidth.m4
index 04a9fc2..7793002 100644
--- a/m4/wcwidth.m4
+++ b/m4/wcwidth.m4
@@ -38,6 +38,7 @@ AC_DEFUN([gl_FUNC_WCWIDTH],
   else
     dnl On MacOS X 10.3, wcwidth(0x0301) (COMBINING ACUTE ACCENT) returns 1.
     dnl On OSF/1 5.1, wcwidth(0x200B) (ZERO WIDTH SPACE) returns 1.
+    dnl On Solaris 8, wcwidth(0x2022) (BULLET) returns 2.
     dnl This leads to bugs in 'ls' (coreutils).
     AC_CACHE_CHECK([whether wcwidth works reasonably in UTF-8 locales],
       [gl_cv_func_wcwidth_works],
@@ -64,7 +65,7 @@ int wcwidth (int);
 int main ()
 {
   if (setlocale (LC_ALL, "fr_FR.UTF-8") != NULL)
-    if (wcwidth (0x0301) > 0 || wcwidth (0x200B) > 0)
+    if (wcwidth (0x0301) > 0 || wcwidth (0x200B) > 0 || wcwidth(0x2022) != 1)
       return 1;
   return 0;
 }], [gl_cv_func_wcwidth_works=yes], [gl_cv_func_wcwidth_works=no],