diff --git a/pc/dtlstransport.cc b/pc/dtlstransport.cc
index 6e84d64e9c..eb1bc04a2e 100644
--- a/pc/dtlstransport.cc
+++ b/pc/dtlstransport.cc
@@ -77,7 +77,15 @@ void DtlsTransport::UnregisterObserver() {
 // Internal functions
 void DtlsTransport::Clear() {
   RTC_DCHECK(signaling_thread_->IsCurrent());
-  internal_dtls_transport_.reset();
+  RTC_DCHECK(internal());
+  if (internal()->dtls_state() != cricket::DTLS_TRANSPORT_CLOSED) {
+    internal_dtls_transport_.reset();
+    if (observer_) {
+      observer_->OnStateChange(Information());
+    }
+  } else {
+    internal_dtls_transport_.reset();
+  }
 }
 
 void DtlsTransport::OnInternalDtlsState(
diff --git a/pc/dtlstransport_unittest.cc b/pc/dtlstransport_unittest.cc
index 62c5e24c7a..05e3797045 100644
--- a/pc/dtlstransport_unittest.cc
+++ b/pc/dtlstransport_unittest.cc
@@ -35,6 +35,14 @@ class TestDtlsTransportObserver : public DtlsTransportObserverInterface {
 
   void OnError(RTCError error) override {}
 
+  DtlsTransportState state() {
+    if (states_.size() > 0) {
+      return states_[states_.size() - 1];
+    } else {
+      return DtlsTransportState::kNew;
+    }
+  }
+
   bool state_change_called_ = false;
   std::vector<DtlsTransportState> states_;
 };
@@ -94,4 +102,15 @@ TEST_F(DtlsTransportTest, EventsObservedWhenConnecting) {
           DtlsTransportState::kConnected));
 }
 
+TEST_F(DtlsTransportTest, CloseWhenClearing) {
+  CreateTransport();
+  transport()->RegisterObserver(observer());
+  CompleteDtlsHandshake();
+  ASSERT_TRUE_WAIT(observer_.state() == DtlsTransportState::kConnected,
+                   kDefaultTimeout);
+  transport()->Clear();
+  ASSERT_TRUE_WAIT(observer_.state() == DtlsTransportState::kClosed,
+                   kDefaultTimeout);
+}
+
 }  // namespace webrtc