diff --git a/incremental/tools/panda/arkts/arktsc.js b/incremental/tools/panda/arkts/arktsc.js
index af9c8cfb54996fda253c222b5716502b5435fdd2..53ffe1300d43b950a0aeddfebf9290e2f740232d 100644
--- a/incremental/tools/panda/arkts/arktsc.js
+++ b/incremental/tools/panda/arkts/arktsc.js
@@ -45,7 +45,7 @@ const { recognized: args, unknown: rest } = extractArgs(ARGS_SPEC, process.argv.
 let cmd = [
     args.flag('--es2panda-bin'),
     '--stdlib', args.flag('--es2panda-stdlib'),
-    '--extension', 'sts',
+    '--extension', 'ets',
     ...rest
 ]
 if (args.flag('--driver-log') === 'info') {
@@ -66,3 +66,9 @@ child.on('close', (code) => {
         process.exit(code)
     }
 })
+child.on('exit', (code, signal) => {
+    if (signal) {
+        console.log(`Received signal: ${signal} from '${formatCommand(cmd.join(' '), process.cwd())}'`)
+        process.exit(1)
+    }
+})
\ No newline at end of file
diff --git a/incremental/tools/panda/package.json b/incremental/tools/panda/package.json
index 48cfeb70f107934eb37df16b65ad2f500506542e..15c29415937b55a588f2192fb75caaf6d443f0b9 100644
--- a/incremental/tools/panda/package.json
+++ b/incremental/tools/panda/package.json
@@ -2,7 +2,7 @@
     "name": "panda-installer",
     "private": true,
     "scripts": {
-        "panda:sdk:install": "npm install --prefix . --no-save @panda/sdk@next",
+        "panda:sdk:install": "npm install --prefix . --no-save @panda/sdk@1.5.0-dev.1350",
         "panda:sdk:clean": "rimraf ./node_modules"
     }