diff --git a/pc/BUILD.gn b/pc/BUILD.gn
index a7a7c56d58..61aa750341 100644
--- a/pc/BUILD.gn
+++ b/pc/BUILD.gn
@@ -84,6 +84,7 @@ rtc_static_library("rtc_pc_base") {
     "../rtc_base:rtc_base",
     "../rtc_base:rtc_task_queue",
     "../rtc_base:stringutils",
+    "../system_wrappers:metrics_api",
   ]
 
   if (rtc_build_libsrtp) {
diff --git a/pc/srtpsession.cc b/pc/srtpsession.cc
index c0d05b74f4..3b33f85c34 100644
--- a/pc/srtpsession.cc
+++ b/pc/srtpsession.cc
@@ -15,11 +15,17 @@
 #include "rtc_base/criticalsection.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/sslstreamadapter.h"
+#include "system_wrappers/include/metrics.h"
 #include "third_party/libsrtp/include/srtp.h"
 #include "third_party/libsrtp/include/srtp_priv.h"
 
 namespace cricket {
 
+// One more than the maximum libsrtp error code. Required by
+// RTC_HISTOGRAM_ENUMERATION. Keep this in sync with srtp_error_status_t defined
+// in srtp.h.
+constexpr int kSrtpErrorCodeBoundary = 28;
+
 SrtpSession::SrtpSession() {}
 
 SrtpSession::~SrtpSession() {
@@ -137,6 +143,8 @@ bool SrtpSession::UnprotectRtp(void* p, int in_len, int* out_len) {
       metrics_observer_->IncrementSparseEnumCounter(
           webrtc::kEnumCounterSrtpUnprotectError, err);
     }
+    RTC_HISTOGRAM_ENUMERATION("WebRTC.PeerConnection.UnprotectSrtpError",
+                              static_cast<int>(err), kSrtpErrorCodeBoundary);
     return false;
   }
   return true;
@@ -157,6 +165,8 @@ bool SrtpSession::UnprotectRtcp(void* p, int in_len, int* out_len) {
       metrics_observer_->IncrementSparseEnumCounter(
           webrtc::kEnumCounterSrtcpUnprotectError, err);
     }
+    RTC_HISTOGRAM_ENUMERATION("WebRTC.PeerConnection.UnprotectSrtcpError",
+                              static_cast<int>(err), kSrtpErrorCodeBoundary);
     return false;
   }
   return true;