diff --git a/ChangeLog b/ChangeLog
index 97b98d6bb..3b03330da 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2017-01-12  Peter Stephenson  <p.w.stephenson@ntlworld.com>
 
+	* unposted: Src/hashtable.c: one missing *name = NULL.
+
 	* 40342: Src/builtin.c, Src/exec.c, Src/hashtable.c,
 	Src/signals.c, Test/C04funcdef.ztst: add directory name cache
 	for directories recorded for autoload files.
diff --git a/Src/hashtable.c b/Src/hashtable.c
index 22ebe3459..a3a38f705 100644
--- a/Src/hashtable.c
+++ b/Src/hashtable.c
@@ -1523,6 +1523,7 @@ dircache_set(char **name, char *value)
 			zfree(dircache, sizeof(*dircache));
 			dircache = NULL;
 			dircache_lastentry = NULL;
+			*name = NULL;
 			return;
 		    }
 		    dcnew = (struct dircache_entry *)