diff --git a/src/main.c b/src/main.c
index 5233db5..3b18bf1 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2564,6 +2564,21 @@
 #if defined(WIN3264) && !defined(FEAT_GUI_W32)
 	if (is_cygpty_used())
 	{
+# if defined(FEAT_MBYTE) && defined(HAVE_BIND_TEXTDOMAIN_CODESET) \
+	&& defined(FEAT_GETTEXT)
+	    char    *s, *tofree = NULL;
+
+	    /* Set the encoding of the error message based on $LC_ALL or
+	     * other environment variables instead of 'encoding'.
+	     * Note that the message is shown on a Cygwin terminal (e.g.
+	     * mintty) which encoding is based on $LC_ALL or etc., not the
+	     * current codepage used by normal Win32 console programs. */
+	    tofree = s = enc_locale_env(NULL);
+	    if (s == NULL)
+		s = "utf-8";	/* Use "utf-8" by default. */
+	    (void)bind_textdomain_codeset(VIMPACKAGE, s);
+	    vim_free(tofree);
+# endif
 	    mch_errmsg(_("Vim: Error: This version of Vim does not run in a Cygwin terminal\n"));
 	    exit(1);
 	}