diff --git a/envoy/admin/v2alpha/server_info.proto b/envoy/admin/v2alpha/server_info.proto
index d0616091..048fb490 100644
--- a/envoy/admin/v2alpha/server_info.proto
+++ b/envoy/admin/v2alpha/server_info.proto
@@ -47,7 +47,7 @@ message ServerInfo {
   CommandLineOptions command_line_options = 6;
 }
 
-// [#next-free-field: 27]
+// [#next-free-field: 28]
 message CommandLineOptions {
   enum IpVersion {
     v4 = 0;
@@ -100,6 +100,9 @@ message CommandLineOptions {
   // See :option:`--log-format` for details.
   string log_format = 10;
 
+  // See :option:`--log-format-escaped` for details.
+  bool log_format_escaped = 27;
+
   // See :option:`--log-path` for details.
   string log_path = 11;
 
diff --git a/envoy/admin/v3alpha/server_info.proto b/envoy/admin/v3alpha/server_info.proto
index 5967e23d..21c676d0 100644
--- a/envoy/admin/v3alpha/server_info.proto
+++ b/envoy/admin/v3alpha/server_info.proto
@@ -47,7 +47,7 @@ message ServerInfo {
   CommandLineOptions command_line_options = 6;
 }
 
-// [#next-free-field: 27]
+// [#next-free-field: 28]
 message CommandLineOptions {
   enum IpVersion {
     v4 = 0;
@@ -102,6 +102,9 @@ message CommandLineOptions {
   // See :option:`--log-format` for details.
   string log_format = 10;
 
+  // See :option:`--log-format-escaped` for details.
+  bool log_format_escaped = 27;
+
   // See :option:`--log-path` for details.
   string log_path = 11;