diff --git a/apps/httpserver_raw/fs.c b/apps/httpserver_raw/fs.c
index a67eadd..d088abc 100644
--- a/apps/httpserver_raw/fs.c
+++ b/apps/httpserver_raw/fs.c
@@ -52,6 +52,9 @@ fs_open(const char *name, struct fs_file *file)
     if (!strcmp(name, (const char*)f->name)) {
       file->data = f->data;
       file->len = f->len;
+#if HTTPD_SUPPORT_DYNAMIC_PAGES
+      file->includes_http_header = f->includes_http_header;
+#endif
       return 1;
     }
   }
diff --git a/apps/httpserver_raw/fs.h b/apps/httpserver_raw/fs.h
index 1f7d434..538b352 100644
--- a/apps/httpserver_raw/fs.h
+++ b/apps/httpserver_raw/fs.h
@@ -32,9 +32,17 @@
 #ifndef __FS_H__
 #define __FS_H__
 
+/** Support dynamically created pages (free contents after sending) */
+#ifndef HTTPD_SUPPORT_DYNAMIC_PAGES
+#define HTTPD_SUPPORT_DYNAMIC_PAGES         1
+#endif
+
 struct fs_file {
   const unsigned char *data;
   int len;
+#if HTTPD_SUPPORT_DYNAMIC_PAGES
+  u8_t includes_http_header;
+#endif /* HTTPD_SUPPORT_DYNAMIC_PAGES */
 };
 
 /* file must be allocated by caller and will be filled in