diff --git a/libosmscout-client-qt/src/osmscoutclientqt/DBThread.cpp b/libosmscout-client-qt/src/osmscoutclientqt/DBThread.cpp
index ea6b0c7d6..b4ec402d5 100644
--- a/libosmscout-client-qt/src/osmscoutclientqt/DBThread.cpp
+++ b/libosmscout-client-qt/src/osmscoutclientqt/DBThread.cpp
@@ -84,7 +84,7 @@ DBThread::~DBThread()
   }
 
   for (auto& db:databases){
-    db->close();
+    db->Close();
   }
   databases.clear();
   backgroundThread->quit(); // deleteLater() is invoked when thread is finished
@@ -187,7 +187,7 @@ void DBThread::onDatabaseListChanged(QList<QDir> databaseDirectories)
   }
 
   for (const auto& db:databases){
-    db->close();
+    db->Close();
   }
   databases.clear();
   osmscout::GeoBox boundingBox;
diff --git a/libosmscout-client/include/osmscoutclient/DBInstance.h b/libosmscout-client/include/osmscoutclient/DBInstance.h
index 877688085..9a78c9c1b 100644
--- a/libosmscout-client/include/osmscoutclient/DBInstance.h
+++ b/libosmscout-client/include/osmscoutclient/DBInstance.h
@@ -91,7 +91,7 @@ class OSMSCOUT_CLIENT_API DBInstance
 
   virtual ~DBInstance()
   {
-    close();
+    Close();
   };
 
   osmscout::GeoBox GetDBGeoBox() const
@@ -188,7 +188,7 @@ class OSMSCOUT_CLIENT_API DBInstance
     return res;
   }
 
-  void close();
+  void Close();
 
 private:
   void OnThreadFinished(const std::thread::id &id);
diff --git a/libosmscout-client/src/osmscoutclient/DBInstance.cpp b/libosmscout-client/src/osmscoutclient/DBInstance.cpp
index b8458b811..7e365d33b 100644
--- a/libosmscout-client/src/osmscoutclient/DBInstance.cpp
+++ b/libosmscout-client/src/osmscoutclient/DBInstance.cpp
@@ -84,7 +84,7 @@ void DBInstance::OnThreadFinished(const std::thread::id &id)
   }
 }
 
-void DBInstance::close()
+void DBInstance::Close()
 {
   std::scoped_lock lock(mutex);