diff --git a/src/config.h b/src/config.h
index b8a4d05b..04d10c06 100644
--- a/src/config.h
+++ b/src/config.h
@@ -82,9 +82,9 @@ struct Config {
 
   struct ClientCapability {
     // TextDocumentClientCapabilities.documentSymbol.hierarchicalDocumentSymbolSupport
-    bool hierarchicalDocumentSymbolSupport = false;
+    bool hierarchicalDocumentSymbolSupport = true;
     // TextDocumentClientCapabilities.completion.completionItem.snippetSupport
-    bool snippetSupport = false;
+    bool snippetSupport = true;
   } client;
 
   struct CodeLens {
diff --git a/src/messages/initialize.cc b/src/messages/initialize.cc
index bce54fb9..cb795148 100644
--- a/src/messages/initialize.cc
+++ b/src/messages/initialize.cc
@@ -453,9 +453,9 @@ struct Handler_Initialize : BaseMessageHandler<In_InitializeRequest> {
 
     // Client capabilities
     const auto &capabilities = params.capabilities;
-    g_config->client.snippetSupport =
+    g_config->client.snippetSupport &=
         capabilities.textDocument.completion.completionItem.snippetSupport;
-    g_config->client.hierarchicalDocumentSymbolSupport =
+    g_config->client.hierarchicalDocumentSymbolSupport &=
         capabilities.textDocument.documentSymbol.hierarchicalDocumentSymbolSupport;
 
     // Ensure there is a resource directory.