diff --git a/src/command_line.cc b/src/command_line.cc
index 3c662b75..57446403 100644
--- a/src/command_line.cc
+++ b/src/command_line.cc
@@ -268,6 +268,9 @@ void LaunchStdinLoop(Config* config,
         case IpcId::TextDocumentDidChange:
         case IpcId::TextDocumentDidClose:
         case IpcId::TextDocumentDidSave:
+        case IpcId::TextDocumentFormatting:
+        case IpcId::TextDocumentRangeFormatting:
+        case IpcId::TextDocumentOnTypeFormatting:
         case IpcId::TextDocumentRename:
         case IpcId::TextDocumentCompletion:
         case IpcId::TextDocumentSignatureHelp:
diff --git a/src/ipc.cc b/src/ipc.cc
index 90d6a12f..eceeadb7 100644
--- a/src/ipc.cc
+++ b/src/ipc.cc
@@ -36,6 +36,10 @@ const char* IpcIdToString(IpcId id) {
       return "textDocument/hover";
     case IpcId::TextDocumentFormatting:
       return "textDocument/formatting";
+    case IpcId::TextDocumentRangeFormatting:
+      return "textDocument/rangeFormatting";
+    case IpcId::TextDocumentOnTypeFormatting:
+      return "textDocument/onTypeFormatting";
     case IpcId::TextDocumentReferences:
       return "textDocument/references";
     case IpcId::TextDocumentDocumentSymbol:
diff --git a/src/ipc.h b/src/ipc.h
index c0860649..4c51420b 100644
--- a/src/ipc.h
+++ b/src/ipc.h
@@ -23,6 +23,8 @@ enum class IpcId : int {
   TextDocumentDocumentHighlight,
   TextDocumentHover,
   TextDocumentFormatting,
+  TextDocumentRangeFormatting,
+  TextDocumentOnTypeFormatting,
   TextDocumentReferences,
   TextDocumentDocumentSymbol,
   TextDocumentDocumentLink,