diff --git a/extensions/html-language-features/server/src/modes/javascriptMode.ts b/extensions/html-language-features/server/src/modes/javascriptMode.ts
index 36a41173b30..b4780e87715 100644
--- a/extensions/html-language-features/server/src/modes/javascriptMode.ts
+++ b/extensions/html-language-features/server/src/modes/javascriptMode.ts
@@ -87,7 +87,7 @@ export function getJavaScriptMode(documentRegions: LanguageModelCache<HTMLDocume
 			const languageService = await host.getLanguageService(jsDocument);
 			const syntaxDiagnostics: ts.Diagnostic[] = languageService.getSyntacticDiagnostics(jsDocument.uri);
 			const semanticDiagnostics = languageService.getSemanticDiagnostics(jsDocument.uri);
-			return syntaxDiagnostics.concat(semanticDiagnostics).map((diag: ts.Diagnostic): Diagnostic => {
+			return syntaxDiagnostics.concat(semanticDiagnostics).filter(d => d.code !== 1108).map((diag: ts.Diagnostic): Diagnostic => {
 				return {
 					range: convertRange(jsDocument, diag),
 					severity: DiagnosticSeverity.Error,
diff --git a/extensions/html-language-features/server/src/test/embedded.test.ts b/extensions/html-language-features/server/src/test/embedded.test.ts
index 005ecf0864c..1e63a72ec89 100644
--- a/extensions/html-language-features/server/src/test/embedded.test.ts
+++ b/extensions/html-language-features/server/src/test/embedded.test.ts
@@ -121,6 +121,8 @@ suite('HTML Embedded Support', () => {
 		assertEmbeddedLanguageContent('<script type="text/javascript">var i = 0;</script>', 'javascript', '                               var i = 0;         ');
 
 		assertEmbeddedLanguageContent('<div onKeyUp="foo()" onkeydown="bar()"/>', 'javascript', '              foo();            bar();  ');
+		assertEmbeddedLanguageContent('<div onKeyUp="return"/>', 'javascript', '              return;  ');
+
 	});
 
 });