diff --git a/lib/modules/Multiset.pmod b/lib/modules/Multiset.pmod
new file mode 100644
index 0000000000000000000000000000000000000000..cddfe96a18fe7ac24f9766b76cdf63d0d1763723
--- /dev/null
+++ b/lib/modules/Multiset.pmod
@@ -0,0 +1,5 @@
+#pike __REAL_VERSION__
+
+//constant delete=m_delete;
+constant Iterator = __builtin.multiset_iterator;
+