diff --git a/NEWS b/NEWS
index 2b14f80f2..0825c118e 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,8 @@
 ver 0.23.13 (not yet released)
 * input
   - curl: fix busy loop after connection failed
+* archive
+  - zzip: fix crash bug
 * decoder
   - gme: require GME 0.6 or later
 * output
diff --git a/src/db/update/Archive.cxx b/src/db/update/Archive.cxx
index ccb7eb249..1383cf343 100644
--- a/src/db/update/Archive.cxx
+++ b/src/db/update/Archive.cxx
@@ -67,6 +67,9 @@ UpdateWalk::UpdateArchiveTree(ArchiveFile &archive, Directory &directory,
 	const char *tmp = std::strchr(name, '/');
 	if (tmp) {
 		const std::string_view child_name(name, tmp - name);
+		if (!IsAcceptableFilename(child_name))
+			return;
+
 		//add dir is not there already
 		Directory *subdir = LockMakeChild(directory, child_name);
 		subdir->device = DEVICE_INARCHIVE;