diff --git a/include/Leases.h b/include/Leases.h
index bb8453e53b..74a04d7928 100644
--- a/include/Leases.h
+++ b/include/Leases.h
@@ -42,7 +42,7 @@ public:
      */
     Leases(SqlDB * _db, int _oid, unsigned long _size, unsigned int _mac_prefix):
         ObjectSQL(),
-        oid(_oid), size(_size), n_used(0), db(_db){};
+        oid(_oid), size(_size), n_used(0), mac_prefix(_mac_prefix), db(_db){};
 
     virtual ~Leases()
     {
diff --git a/src/vnm/RangedLeases.cc b/src/vnm/RangedLeases.cc
index 84c1bddaf0..d992ad29c0 100644
--- a/src/vnm/RangedLeases.cc
+++ b/src/vnm/RangedLeases.cc
@@ -176,7 +176,7 @@ int RangedLeases::process_template(VirtualNetwork* vn,
     vn->remove_template_attribute("NETWORK_SIZE");
 
     // Set the network mask
-    net_mask = ( 0xFFFFFFFF << host_bits ) & 0xFFFFFFFF;
+    net_mask = 0xFFFFFFFF << host_bits;
     Lease::ip_to_string(net_mask, st_mask);
     vn->replace_template_attribute("NETWORK_MASK", st_mask);