diff --git a/app.js b/app.js
index 27f91c3f..eaad3618 100644
--- a/app.js
+++ b/app.js
@@ -75,7 +75,7 @@ const FileStoreSession = FileStore(session);
 app.use(session({
     store: new FileStoreSession({
         path: './data/sessions',
-        logFn: debug('lot-occupancy-system:session'),
+        logFn: debug(`lot-occupancy-system:session:${process.pid}`),
         retries: 20
     }),
     name: sessionCookieName,
diff --git a/app.ts b/app.ts
index b79d88f2..32cd2919 100644
--- a/app.ts
+++ b/app.ts
@@ -161,7 +161,7 @@ app.use(
   session({
     store: new FileStoreSession({
       path: './data/sessions',
-      logFn: debug('lot-occupancy-system:session'),
+      logFn: debug(`lot-occupancy-system:session:${process.pid}`),
       retries: 20
     }),
     name: sessionCookieName,