diff --git a/modules/pacing/paced_sender.cc b/modules/pacing/paced_sender.cc
index 440c1d67fad..dd5f011432a 100644
--- a/modules/pacing/paced_sender.cc
+++ b/modules/pacing/paced_sender.cc
@@ -16,6 +16,7 @@
 #include <set>
 #include <utility>
 #include <vector>
+#include <inttypes.h>
 
 #include "absl/memory/memory.h"
 #include "modules/congestion_controller/goog_cc/alr_detector.h"
@@ -376,7 +377,7 @@ void PacedSender::Process() {
           int64_t last_frame_cost = end_timestamp - capture_timestamp;
           int64_t time_since_last_frame =
               clock_->TimeInMilliseconds() - end_timestamp;
-          fprintf(recorder, "%lld\t%lld\t%zd\t%lld\n", frame_count,
+          fprintf(recorder, "%" PRId64 "\t%" PRId64 "\t%zd\t%" PRId64 "\n", frame_count,
                   last_frame_cost, total_size, time_since_last_frame);
           frame_count++;
           total_size = 0;
diff --git a/video/video_receive_stream.cc b/video/video_receive_stream.cc
index 8755fbe6919..2ddcad039b9 100644
--- a/video/video_receive_stream.cc
+++ b/video/video_receive_stream.cc
@@ -15,6 +15,7 @@
 #include <set>
 #include <string>
 #include <utility>
+#include <inttypes.h>
 
 #include "absl/memory/memory.h"
 #include "absl/types/optional.h"
@@ -433,7 +434,7 @@ bool VideoReceiveStream::Decode() {
     int64_t now_ms = clock_->TimeInMilliseconds();
     if (recorder_pre_ != nullptr) {
       int32_t frame_ts = frame->Timestamp();
-      fprintf(recorder_pre_, "%d\t%lld\n", frame_ts, now_ms);
+      fprintf(recorder_pre_, "%d\t%" PRId64 "\n", frame_ts, now_ms);
     }
     RTC_DCHECK_EQ(res, video_coding::FrameBuffer::ReturnReason::kFrameFound);
     int decode_result = video_receiver_.Decode(frame.get());