diff --git a/index.ts b/index.ts
index 6785b24..8ea9925 100644
--- a/index.ts
+++ b/index.ts
@@ -5,7 +5,10 @@ import { SessionManager } from "./session-manager.js"
 import { loadConfig } from "./config-loader.js"
 import { log } from "./logger.js"
 
-const PLUGIN_DATA_DIR = fs.mkdtempSync(`${os.homedir()}/.opencode-matrix-plugin-`)
+const PLUGIN_DATA_DIR = `${os.homedir()}/.opencode-matrix-plugin`
+if (!fs.existsSync(PLUGIN_DATA_DIR)) {
+  fs.mkdirSync(PLUGIN_DATA_DIR, { recursive: true })
+}
 const LOG_FILE = `${PLUGIN_DATA_DIR}/plugin.log`
 const SETUP_STARTED_LOG = `${PLUGIN_DATA_DIR}/setup-started.log`
 const SETUP_ERROR_LOG = `${PLUGIN_DATA_DIR}/setup-error.log`