diff --git a/src/termlib.c b/src/termlib.c
index 33f332a..2a9a267 100644
--- a/src/termlib.c
+++ b/src/termlib.c
@@ -191,7 +191,7 @@
 	    lbuf[0] == '\t' &&
 	    lbuf[1] == ':')
 	{
-	    mch_memmove(lbuf, lbuf + 2, strlen(lbuf + 2) + 1);
+	    STRMOVE(lbuf, lbuf + 2);
 	    llen -= 2;
 	}
 	if (lbuf[llen-2] == '\\')		/* and continuations */