diff --git a/src/wallet/db.cpp b/src/wallet/db.cpp
index ae4055326..cfa9bdd20 100644
--- a/src/wallet/db.cpp
+++ b/src/wallet/db.cpp
@@ -147,6 +147,7 @@ BerkeleyEnvironment::BerkeleyEnvironment(const fs::path& dir_path) : strPath(dir
 
 BerkeleyEnvironment::~BerkeleyEnvironment()
 {
+    LOCK(cs_db);
     g_dbenvs.erase(strPath);
     Close();
 }