diff --git a/logging/rtc_event_log/rtc_event_log.proto b/logging/rtc_event_log/rtc_event_log.proto
index bfac4f60dc..94e288e024 100644
--- a/logging/rtc_event_log/rtc_event_log.proto
+++ b/logging/rtc_event_log/rtc_event_log.proto
@@ -109,7 +109,7 @@ message RtpPacket {
   optional bytes header = 4;
 
   // optional - The probe cluster id.
-  optional uint32 probe_cluster_id = 5;
+  optional int32 probe_cluster_id = 5;
 
   // Do not add code to log user payload data without a privacy review!
 }
@@ -297,10 +297,10 @@ message AudioNetworkAdaptation {
 
 message BweProbeCluster {
   // required - The id of this probe cluster.
-  optional uint32 id = 1;
+  optional int32 id = 1;
 
   // required - The bitrate in bps that this probe cluster is meant to probe.
-  optional uint64 bitrate_bps = 2;
+  optional int32 bitrate_bps = 2;
 
   // required - The minimum number of packets used to probe the given bitrate.
   optional uint32 min_packets = 3;
@@ -311,7 +311,7 @@ message BweProbeCluster {
 
 message BweProbeResult {
   // required - The id of this probe cluster.
-  optional uint32 id = 1;
+  optional int32 id = 1;
 
   enum ResultType {
     SUCCESS = 0;
@@ -324,7 +324,7 @@ message BweProbeResult {
   optional ResultType result = 2;
 
   // optional - but required if result == SUCCESS. The resulting bitrate in bps.
-  optional uint64 bitrate_bps = 3;
+  optional int32 bitrate_bps = 3;
 }
 
 message AlrState {
diff --git a/logging/rtc_event_log/rtc_event_log_parser_new.h b/logging/rtc_event_log/rtc_event_log_parser_new.h
index dd88608185..19cfcbb639 100644
--- a/logging/rtc_event_log/rtc_event_log_parser_new.h
+++ b/logging/rtc_event_log/rtc_event_log_parser_new.h
@@ -88,8 +88,8 @@ struct LoggedBweLossBasedUpdate {
 
 struct LoggedBweProbeClusterCreatedEvent {
   int64_t timestamp_us;
-  uint32_t id;
-  uint64_t bitrate_bps;
+  int32_t id;
+  int32_t bitrate_bps;
   uint32_t min_packets;
   uint32_t min_bytes;
   int64_t log_time_us() const { return timestamp_us; }
@@ -98,8 +98,8 @@ struct LoggedBweProbeClusterCreatedEvent {
 
 struct LoggedBweProbeResultEvent {
   int64_t timestamp_us;
-  uint32_t id;
-  rtc::Optional<uint64_t> bitrate_bps;
+  int32_t id;
+  rtc::Optional<int32_t> bitrate_bps;
   rtc::Optional<ProbeFailureReason> failure_reason;
   int64_t log_time_us() const { return timestamp_us; }
   int64_t log_time_ms() const { return timestamp_us / 1000; }
diff --git a/logging/rtc_event_log/rtc_event_log_unittest_helper.cc b/logging/rtc_event_log/rtc_event_log_unittest_helper.cc
index 359f4182ff..466069661f 100644
--- a/logging/rtc_event_log/rtc_event_log_unittest_helper.cc
+++ b/logging/rtc_event_log/rtc_event_log_unittest_helper.cc
@@ -553,8 +553,8 @@ void RtcEventLogTestHelper::VerifyLogEndEvent(
 void RtcEventLogTestHelper::VerifyBweProbeCluster(
     const ParsedRtcEventLogNew& parsed_log,
     size_t index,
-    uint32_t id,
-    uint32_t bitrate_bps,
+    int32_t id,
+    int32_t bitrate_bps,
     uint32_t min_probes,
     uint32_t min_bytes) {
   ASSERT_LT(index, parsed_log.events_.size());
@@ -578,8 +578,8 @@ void RtcEventLogTestHelper::VerifyBweProbeCluster(
 void RtcEventLogTestHelper::VerifyProbeResultSuccess(
     const ParsedRtcEventLogNew& parsed_log,
     size_t index,
-    uint32_t id,
-    uint32_t bitrate_bps) {
+    int32_t id,
+    int32_t bitrate_bps) {
   ASSERT_LT(index, parsed_log.events_.size());
   const rtclog::Event& event = parsed_log.events_[index];
   ASSERT_TRUE(IsValidBasicEvent(event));
@@ -599,7 +599,7 @@ void RtcEventLogTestHelper::VerifyProbeResultSuccess(
 void RtcEventLogTestHelper::VerifyProbeResultFailure(
     const ParsedRtcEventLogNew& parsed_log,
     size_t index,
-    uint32_t id,
+    int32_t id,
     ProbeFailureReason failure_reason) {
   ASSERT_LT(index, parsed_log.events_.size());
   const rtclog::Event& event = parsed_log.events_[index];
diff --git a/logging/rtc_event_log/rtc_event_log_unittest_helper.h b/logging/rtc_event_log/rtc_event_log_unittest_helper.h
index e73b73b42e..d06a7d007f 100644
--- a/logging/rtc_event_log/rtc_event_log_unittest_helper.h
+++ b/logging/rtc_event_log/rtc_event_log_unittest_helper.h
@@ -72,19 +72,19 @@ class RtcEventLogTestHelper {
 
   static void VerifyBweProbeCluster(const ParsedRtcEventLogNew& parsed_log,
                                     size_t index,
-                                    uint32_t id,
-                                    uint32_t bitrate_bps,
+                                    int32_t id,
+                                    int32_t bitrate_bps,
                                     uint32_t min_probes,
                                     uint32_t min_bytes);
 
   static void VerifyProbeResultSuccess(const ParsedRtcEventLogNew& parsed_log,
                                        size_t index,
-                                       uint32_t id,
-                                       uint32_t bitrate_bps);
+                                       int32_t id,
+                                       int32_t bitrate_bps);
 
   static void VerifyProbeResultFailure(const ParsedRtcEventLogNew& parsed_log,
                                        size_t index,
-                                       uint32_t id,
+                                       int32_t id,
                                        ProbeFailureReason failure_reason);
 };