diff --git a/src/main.ts b/src/main.ts
index 8f00eb3..bf3ae5e 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -59,7 +59,7 @@ async function run() {
     // environment and install GHC, etc. It's the only option currently safe to
     // make outside of caching.
     const stackRoot = (
-      await stack.parse(["path", "--stack-root]"], parseStackPath)
+      await stack.parse(["path", "--stack-root"], parseStackPath)
     )["stack-root"];
     // const stackRoot = "~/.stack";