diff --git a/incremental/tools/fast-arktsc/src/main.ts b/incremental/tools/fast-arktsc/src/main.ts
index b9b066a0b2c4d386f461852262f508c23a69231b..4d4a23199c34a81ccf95943d46d64499e16d85fc 100644
--- a/incremental/tools/fast-arktsc/src/main.ts
+++ b/incremental/tools/fast-arktsc/src/main.ts
@@ -195,6 +195,7 @@ function mainAot(abc: string) {
         `--paoc-output=${result}`
     ])
     console.log(`AOT compile ${abc} to ${result}...`)
+    console.log(`Launch ${aot} ${args.join(" ")}`)
     const child = child_process.spawn(aot, args)
     child.stdout.on('data', (data) => {
         process.stdout.write(data);