diff --git a/packages/db/src/buffers/profile-buffer-psql.ts b/packages/db/src/buffers/profile-buffer-psql.ts
index 3580f6f1..0f7649d0 100644
--- a/packages/db/src/buffers/profile-buffer-psql.ts
+++ b/packages/db/src/buffers/profile-buffer-psql.ts
@@ -81,6 +81,7 @@ export class ProfileBuffer extends BaseBuffer {
       ['created_at'],
       ['properties', 'brand'],
       ['properties', 'browser_version'],
+      ['properties', 'browserVersion'],
       ['properties', 'browser'],
       ['properties', 'city'],
       ['properties', 'country'],
@@ -89,10 +90,13 @@ export class ProfileBuffer extends BaseBuffer {
       ['properties', 'longitude'],
       ['properties', 'model'],
       ['properties', 'os_version'],
+      ['properties', 'osVersion'],
       ['properties', 'os'],
       ['properties', 'path'],
       ['properties', 'referrer_name'],
+      ['properties', 'referrerName'],
       ['properties', 'referrer_type'],
+      ['properties', 'referrerType'],
       ['properties', 'referrer'],
       ['properties', 'region'],
     ];
diff --git a/packages/db/src/services/event.service.ts b/packages/db/src/services/event.service.ts
index 4a14b0ec..0a4ced6d 100644
--- a/packages/db/src/services/event.service.ts
+++ b/packages/db/src/services/event.service.ts
@@ -278,7 +278,7 @@ export async function createEvent(payload: IServiceCreateEventPayload) {
   }
 
   if (payload.profileId) {
-    await upsertProfile({
+    const profile = {
       id: String(payload.profileId),
       isExternal: payload.profileId !== payload.deviceId,
       projectId: payload.projectId,
@@ -300,7 +300,14 @@ export async function createEvent(payload: IServiceCreateEventPayload) {
         referrer_name: payload.referrerName,
         referrer_type: payload.referrerType,
       },
-    });
+    };
+
+    if (
+      profile.isExternal ||
+      (profile.isExternal === false && payload.name === 'session_start')
+    ) {
+      await upsertProfile(profile);
+    }
   }
 
   const event: IClickhouseEvent = {