diff --git a/extensions/typescript/src/utils/versionProvider.ts b/extensions/typescript/src/utils/versionProvider.ts
index d1aee828261..4f3d4ed85f4 100644
--- a/extensions/typescript/src/utils/versionProvider.ts
+++ b/extensions/typescript/src/utils/versionProvider.ts
@@ -58,17 +58,24 @@ export class TypeScriptVersion {
 			return undefined;
 		}
 
-		let p = serverPath.split(path.sep);
+		const p = serverPath.split(path.sep);
 		if (p.length <= 2) {
 			return undefined;
 		}
-		let p2 = p.slice(0, -2);
-		let modulePath = p2.join(path.sep);
+		const p2 = p.slice(0, -2);
+		const modulePath = p2.join(path.sep);
 		let fileName = path.join(modulePath, 'package.json');
+		if (!fs.existsSync(fileName)) {
+			// Special case for ts dev versions
+			if (path.basename(modulePath) === 'built') {
+				fileName = path.join(modulePath, '..', 'package.json');
+			}
+		}
 		if (!fs.existsSync(fileName)) {
 			return undefined;
 		}
-		let contents = fs.readFileSync(fileName).toString();
+
+		const contents = fs.readFileSync(fileName).toString();
 		let desc: any = null;
 		try {
 			desc = JSON.parse(contents);