diff --git a/src/Cache.cpp b/src/Cache.cpp
index d74bbe91..f6f8052d 100644
--- a/src/Cache.cpp
+++ b/src/Cache.cpp
@@ -44,7 +44,7 @@ static lmdb::val CACHE_FORMAT_VERSION_KEY("cache_format_version");
 
 constexpr size_t MAX_RESTORED_MESSAGES = 30;
 
-constexpr auto DB_SIZE = 512UL * 1024UL * 1024UL * 1024UL; // 512 GB
+constexpr auto DB_SIZE = 32UL * 1024UL * 1024UL * 1024UL; // 512 GB
 constexpr auto MAX_DBS = 8092UL;
 
 //! Cache databases and their format.