diff --git a/extensions/html-language-features/server/src/htmlServerMain.ts b/extensions/html-language-features/server/src/htmlServerMain.ts
index 3b96c7ee162..9fd60b242eb 100644
--- a/extensions/html-language-features/server/src/htmlServerMain.ts
+++ b/extensions/html-language-features/server/src/htmlServerMain.ts
@@ -118,7 +118,7 @@ connection.onInitialize((params: InitializeParams): InitializeResult => {
 	}
 
 	clientSnippetSupport = getClientCapability('textDocument.completion.completionItem.snippetSupport', false);
-	dynamicFormatterRegistration = getClientCapability('workspace.rangeFormatting.dynamicRegistration', false) && (typeof params.initializationOptions.provideFormatter !== 'boolean');
+	dynamicFormatterRegistration = getClientCapability('textDocument.rangeFormatting.dynamicRegistration', false) && (typeof params.initializationOptions.provideFormatter !== 'boolean');
 	scopedSettingsSupport = getClientCapability('workspace.configuration', false);
 	workspaceFoldersSupport = getClientCapability('workspace.workspaceFolders', false);
 	foldingRangeLimit = getClientCapability('textDocument.foldingRange.rangeLimit', Number.MAX_VALUE);
diff --git a/extensions/json-language-features/server/src/jsonServerMain.ts b/extensions/json-language-features/server/src/jsonServerMain.ts
index b09bb284708..74561395ce8 100644
--- a/extensions/json-language-features/server/src/jsonServerMain.ts
+++ b/extensions/json-language-features/server/src/jsonServerMain.ts
@@ -144,7 +144,7 @@ connection.onInitialize((params: InitializeParams): InitializeResult => {
 	}
 
 	clientSnippetSupport = getClientCapability('textDocument.completion.completionItem.snippetSupport', false);
-	dynamicFormatterRegistration = getClientCapability('workspace.rangeFormatting.dynamicRegistration', false) && (params.initializationOptions.provideFormatter === undefined);
+	dynamicFormatterRegistration = getClientCapability('textDocument.rangeFormatting.dynamicRegistration', false) && (params.initializationOptions.provideFormatter === undefined);
 	foldingRangeLimit = getClientCapability('textDocument.foldingRange.rangeLimit', Number.MAX_VALUE);
 	hierarchicalDocumentSymbolSupport = getClientCapability('textDocument.documentSymbol.hierarchicalDocumentSymbolSupport', false);
 	const capabilities: ServerCapabilities = {