diff --git a/net/dcsctp/tx/retransmission_timeout.cc b/net/dcsctp/tx/retransmission_timeout.cc
index aa2863f931..7d8fb9761c 100644
--- a/net/dcsctp/tx/retransmission_timeout.cc
+++ b/net/dcsctp/tx/retransmission_timeout.cc
@@ -21,6 +21,7 @@ RetransmissionTimeout::RetransmissionTimeout(const DcSctpOptions& options)
       max_rto_(*options.rto_max),
       max_rtt_(*options.rtt_max),
       min_rtt_variance_(*options.min_rtt_variance),
+      scaled_srtt_(*options.rto_initial << kRttShift),
       rto_(*options.rto_initial) {}
 
 void RetransmissionTimeout::ObserveRTT(DurationMs measured_rtt) {
diff --git a/net/dcsctp/tx/retransmission_timeout.h b/net/dcsctp/tx/retransmission_timeout.h
index 7cbcc6fcc9..01530cb3b5 100644
--- a/net/dcsctp/tx/retransmission_timeout.h
+++ b/net/dcsctp/tx/retransmission_timeout.h
@@ -48,7 +48,7 @@ class RetransmissionTimeout {
   // If this is the first measurement
   bool first_measurement_ = true;
   // Smoothed Round-Trip Time, shifted by kRttShift
-  int32_t scaled_srtt_ = 0;
+  int32_t scaled_srtt_;
   // Round-Trip Time Variation, shifted by kRttVarShift
   int32_t scaled_rtt_var_ = 0;
   // Retransmission Timeout
diff --git a/net/dcsctp/tx/retransmission_timeout_test.cc b/net/dcsctp/tx/retransmission_timeout_test.cc
index f3b20a86ba..b901995e97 100644
--- a/net/dcsctp/tx/retransmission_timeout_test.cc
+++ b/net/dcsctp/tx/retransmission_timeout_test.cc
@@ -37,6 +37,11 @@ TEST(RetransmissionTimeoutTest, HasValidInitialRto) {
   EXPECT_EQ(rto_.rto(), kInitialRto);
 }
 
+TEST(RetransmissionTimeoutTest, HasValidInitialSrtt) {
+  RetransmissionTimeout rto_(MakeOptions());
+  EXPECT_EQ(rto_.srtt(), kInitialRto);
+}
+
 TEST(RetransmissionTimeoutTest, NegativeValuesDoNotAffectRTO) {
   RetransmissionTimeout rto_(MakeOptions());
   // Initial negative value