--- a/media/mtransport/nricectx.h
+++ b/media/mtransport/nricectx.h
@@ -189,20 +189,20 @@ class NrIceProxyServer {
   uint16_t port_;
   std::string alpn_;
 };
 
 class TestNat;
 
 class NrIceStats {
  public:
-  uint16_t stun_retransmits;
-  uint16_t turn_401s;
-  uint16_t turn_403s;
-  uint16_t turn_438s;
+  uint16_t stun_retransmits = 0;
+  uint16_t turn_401s = 0;
+  uint16_t turn_403s = 0;
+  uint16_t turn_438s = 0;
 };
 
 class NrIceCtx {
  friend class NrIceCtxHandler;
  public:
   enum ConnectionState { ICE_CTX_INIT,
                          ICE_CTX_CHECKING,
                          ICE_CTX_CONNECTED,