diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b7c5062e7..bd56f3be3b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## Unreleased
+
+**Internal**:
+
+- Generate a new profile ID when splitting a profile for multiple transactions. ([#1473](https://github.com/getsentry/relay/pull/1473))
+
 ## 22.9.0
 
 **Features**:
@@ -26,7 +32,7 @@
 - Add a "invalid_replay" discard reason for invalid replay events. ([#1455](https://github.com/getsentry/relay/pull/1455))
 - Add rate limiters for replays and replay recordings. ([#1456](https://github.com/getsentry/relay/pull/1456))
 - Use the different configuration for billing outcomes when specified. ([#1461](https://github.com/getsentry/relay/pull/1461))
-- Support profiles tagged for many transactions. ([#1444](https://github.com/getsentry/relay/pull/1444)), ([#1463](https://github.com/getsentry/relay/pull/1463)), ([#1464](https://github.com/getsentry/relay/pull/1464), [#1465](https://github.com/getsentry/relay/pull/1465))
+- Support profiles tagged for many transactions. ([#1444](https://github.com/getsentry/relay/pull/1444), [#1463](https://github.com/getsentry/relay/pull/1463), [#1464](https://github.com/getsentry/relay/pull/1464), [#1465](https://github.com/getsentry/relay/pull/1465))
 - Track metrics for changes to the transaction name and DSC propagations. ([#1466](https://github.com/getsentry/relay/pull/1466))
 - Simplify the ingestion path to reduce endpoint response times. ([#1416](https://github.com/getsentry/relay/issues/1416), [#1429](https://github.com/getsentry/relay/issues/1429), [#1431](https://github.com/getsentry/relay/issues/1431))
 - Update the internal service architecture for the store, outcome, and processor services. ([#1405](https://github.com/getsentry/relay/pull/1405), [#1415](https://github.com/getsentry/relay/issues/1415), [#1421](https://github.com/getsentry/relay/issues/1421), [#1441](https://github.com/getsentry/relay/issues/1441), [#1457](https://github.com/getsentry/relay/issues/1457), [#1470](https://github.com/getsentry/relay/pull/1470))
diff --git a/relay-profiling/src/android.rs b/relay-profiling/src/android.rs
index c75167511b..1b8f259f09 100644
--- a/relay-profiling/src/android.rs
+++ b/relay-profiling/src/android.rs
@@ -140,6 +140,7 @@ pub fn expand_android_profile(payload: &[u8]) -> Result<Vec<Vec<u8>>, ProfileErr
     for transaction in &profile.transactions {
         let mut new_profile = profile.clone();
 
+        new_profile.profile_id = EventId::new();
         new_profile.set_transaction(transaction);
         new_profile.transactions.clear();
 
diff --git a/relay-profiling/src/cocoa.rs b/relay-profiling/src/cocoa.rs
index 6358cafd2b..48fea64449 100644
--- a/relay-profiling/src/cocoa.rs
+++ b/relay-profiling/src/cocoa.rs
@@ -181,6 +181,7 @@ pub fn expand_cocoa_profile(payload: &[u8]) -> Result<Vec<Vec<u8>>, ProfileError
     for transaction in &profile.transactions {
         let mut new_profile = profile.clone();
 
+        new_profile.profile_id = EventId::new();
         new_profile.set_transaction(transaction);
         new_profile.transactions.clear();