diff --git a/.vscode/launch.json b/.vscode/launch.json
index e7bec1c..3834215 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -8,6 +8,7 @@
             "request": "launch",
             "args": ["--extensionDevelopmentPath=${workspaceRoot}"],
             "sourceMaps": true,
+            "preLaunchTask": "npm: compile",
             "outFiles": ["${workspaceFolder}/dist/**/*.js"],
         },
         {