diff --git a/modules/permissions/hash.h b/modules/permissions/hash.h
index 1ae00722185..f4d101f7f8f 100644
--- a/modules/permissions/hash.h
+++ b/modules/permissions/hash.h
@@ -174,7 +174,7 @@ int addr_hash_table_rpc_print(struct addr_list** table, rpc_t* rpc, void* c);
 void empty_addr_hash_table(struct addr_list** hash_table);
 
 
-#define PERM_MAX_SUBNETS 128 
+#define PERM_MAX_SUBNETS 512
 
 
 /*