diff --git a/include/grpc++/server_credentials.h b/include/grpc++/server_credentials.h
index 94041c7757c9d16421c5707983264883172d43b3..11acd67e8adad9443e23c10f1956473310a97db7 100644
--- a/include/grpc++/server_credentials.h
+++ b/include/grpc++/server_credentials.h
@@ -58,6 +58,8 @@ class ServerCredentials {
 
 // Options to create ServerCredentials with SSL
 struct SslServerCredentialsOptions {
+  SslServerCredentialsOptions() : force_client_auth(false) {}
+
   struct PemKeyCertPair {
     grpc::string private_key;
     grpc::string cert_chain;