diff --git a/src/core/lib/transport/static_metadata.cc b/src/core/lib/transport/static_metadata.cc
index 7574dc965f8..ed88aa3f289 100644
--- a/src/core/lib/transport/static_metadata.cc
+++ b/src/core/lib/transport/static_metadata.cc
@@ -24,6 +24,8 @@
  * an explanation of what's going on.
  */
 
+#include <grpc/support/port_platform.h>
+
 #include "src/core/lib/transport/static_metadata.h"
 
 #include "src/core/lib/slice/slice_internal.h"
diff --git a/src/core/lib/transport/static_metadata.h b/src/core/lib/transport/static_metadata.h
index 95609b9e96f..1e95f4e5bb7 100644
--- a/src/core/lib/transport/static_metadata.h
+++ b/src/core/lib/transport/static_metadata.h
@@ -27,6 +27,8 @@
 #ifndef GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H
 #define GRPC_CORE_LIB_TRANSPORT_STATIC_METADATA_H
 
+#include <grpc/support/port_platform.h>
+
 #include "src/core/lib/transport/metadata.h"
 
 #define GRPC_STATIC_MDSTR_COUNT 105