diff --git a/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/WebSessionProjectImpl.java b/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/WebSessionProjectImpl.java
index 78128b5f61..8a330a54bd 100644
--- a/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/WebSessionProjectImpl.java
+++ b/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/WebSessionProjectImpl.java
@@ -1,6 +1,6 @@
 /*
  * DBeaver - Universal Database Manager
- * Copyright (C) 2010-2025 DBeaver Corp and others
+ * Copyright (C) 2010-2026 DBeaver Corp and others
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -252,14 +252,14 @@ public class WebSessionProjectImpl extends WebProjectImpl implements DBPAdaptabl
                 }
                 case WSDataSourceEvent.UPDATED ->  {
                     if (event.getProperty() == WSDataSourceProperty.CONFIGURATION) {
-                        WebDataSourceUtils.disconnectDataSource(webSession, ds);
+                        WebDataSourceUtils.disconnectDataSource(webSession, ds, true);
                     }
                     if (event.getProperty() != WSDataSourceProperty.INTERNAL) {
                         sendDataSourceUpdatedEvent = true;
                     }
                 }
                 case WSDataSourceEvent.DELETED -> {
-                    WebDataSourceUtils.disconnectDataSource(webSession, ds);
+                    WebDataSourceUtils.disconnectDataSource(webSession, ds, false);
                     if (registry instanceof DBPDataSourceRegistryCache dsrc) {
                         dsrc.removeDataSourceFromList(ds);
                     }
@@ -345,7 +345,7 @@ public class WebSessionProjectImpl extends WebProjectImpl implements DBPAdaptabl
     @NotNull
     private WebConnectionInfo closeAndDeleteConnection(@NotNull WebConnectionInfo connectionInfo) throws DBWebException {
         DBPDataSourceContainer dataSourceContainer = connectionInfo.getDataSourceContainer();
-        WebDataSourceUtils.disconnectDataSource(webSession, dataSourceContainer);
+        WebDataSourceUtils.disconnectDataSource(webSession, dataSourceContainer, false);
         DBPDataSourceRegistry registry = getDataSourceRegistry();
         registry.removeDataSource(dataSourceContainer);
         removeConnection(dataSourceContainer);
diff --git a/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/utils/WebDataSourceUtils.java b/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/utils/WebDataSourceUtils.java
index 1a4bd08636..92dbd1068c 100644
--- a/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/utils/WebDataSourceUtils.java
+++ b/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/utils/WebDataSourceUtils.java
@@ -162,18 +162,24 @@ public class WebDataSourceUtils {
     }
 
 
-    public static boolean disconnectDataSource(@NotNull WebSession webSession, @NotNull DBPDataSourceContainer dataSource) {
+    public static boolean disconnectDataSource(
+        @NotNull WebSession webSession,
+        @NotNull DBPDataSourceContainer dataSource,
+        boolean sendDisconnectEvent
+    ) {
         if (dataSource.isConnected()) {
             try {
                 dataSource.disconnect(webSession.getProgressMonitor());
-                webSession.addSessionEvent(
-                    new WSDataSourceDisconnectEvent(
-                        dataSource.getProject().getId(),
-                        dataSource.getId(),
-                        webSession.getSessionId(),
-                        webSession.getUserId()
-                    )
-                );
+                if (sendDisconnectEvent) {
+                    webSession.addSessionEvent(
+                        new WSDataSourceDisconnectEvent(
+                            dataSource.getProject().getId(),
+                            dataSource.getId(),
+                            webSession.getSessionId(),
+                            webSession.getUserId()
+                        )
+                    );
+                }
                 return true;
             } catch (DBException e) {
                 log.error("Error closing connection", e);
diff --git a/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/service/core/impl/WebServiceCore.java b/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/service/core/impl/WebServiceCore.java
index 9c41c5ac47..f3399deebe 100644
--- a/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/service/core/impl/WebServiceCore.java
+++ b/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/service/core/impl/WebServiceCore.java
@@ -678,7 +678,7 @@ public class WebServiceCore implements DBWServiceCore {
         WebConnectionInfo connectionInfo = project.getWebConnectionInfo(connectionId);
 
         DBPDataSourceContainer dataSourceContainer = connectionInfo.getDataSourceContainer();
-        WebDataSourceUtils.disconnectDataSource(webSession, dataSourceContainer);
+        WebDataSourceUtils.disconnectDataSource(webSession, dataSourceContainer, true);
         return connectionInfo;
     }