diff --git a/extensions/npm/src/tasks.ts b/extensions/npm/src/tasks.ts
index bfeb50d3140..f4da67b93f2 100644
--- a/extensions/npm/src/tasks.ts
+++ b/extensions/npm/src/tasks.ts
@@ -325,7 +325,7 @@ export async function createTask(packageManager: string, script: NpmTaskDefiniti
 
 	let relativePackageJson = getRelativePath(packageJsonUri);
 	if (relativePackageJson.length) {
-		kind.path = relativePackageJson;
+		kind.path = relativePackageJson.substring(0, relativePackageJson.length - 1);
 	}
 	let taskName = getTaskName(kind.script, relativePackageJson);
 	let cwd = path.dirname(packageJsonUri.fsPath);