diff --git a/extensions/html/server/src/modes/javascriptMode.ts b/extensions/html/server/src/modes/javascriptMode.ts
index ae16ed09475..73dc3a67228 100644
--- a/extensions/html/server/src/modes/javascriptMode.ts
+++ b/extensions/html/server/src/modes/javascriptMode.ts
@@ -253,7 +253,7 @@ export function getJavascriptMode(documentRegions: LanguageModelCache<HTMLDocume
 			let start = currentTextDocument.offsetAt(range.start);
 			let end = currentTextDocument.offsetAt(range.end);
 			let lastLineRange = null;
-			if (range.end.character === 0 || isWhitespaceOnly(currentTextDocument.getText().substr(end - range.end.character, range.end.character))) {
+			if (range.end.line > range.start.line && (range.end.character === 0 || isWhitespaceOnly(currentTextDocument.getText().substr(end - range.end.character, range.end.character)))) {
 				end -= range.end.character;
 				lastLineRange = Range.create(Position.create(range.end.line, 0), range.end);
 			}
diff --git a/extensions/html/server/src/test/formatting.test.ts b/extensions/html/server/src/test/formatting.test.ts
index a750b5aae54..331e0d719e9 100644
--- a/extensions/html/server/src/test/formatting.test.ts
+++ b/extensions/html/server/src/test/formatting.test.ts
@@ -107,6 +107,10 @@ suite('HTML Embedded Formatting', () => {
 		assertFormat('<html><head>\n  |<script>\nvar x=6;\n</script>\n|</head></html>', '<html><head>\n  <script>\n    var x = 6;\n  </script>\n</head></html>');
 	});
 
+	test('bug 36574', function (): any {
+		assertFormat('<script src="/js/main.js"> </script>', '<script src="/js/main.js"> </script>');
+	});
+
 });
 
 function applyEdits(document: TextDocument, edits: TextEdit[]): string {
