diff --git a/chttp.h b/chttp.h
index 2a82e2f..d032947 100644
--- a/chttp.h
+++ b/chttp.h
@@ -36,6 +36,7 @@
 
 #ifdef HTTPS_ENABLED
 #include <openssl/ssl.h>
+#include <openssl/x509v3.h>
 #endif
 
 ////////////////////////////////////////////////////////////////////////////////////////
diff --git a/misc/TODO.txt b/misc/TODO.txt
index bef0ac2..a5ec270 100644
--- a/misc/TODO.txt
+++ b/misc/TODO.txt
@@ -1,3 +1,4 @@
 - Add connection timeouts
 - Per RFC 6265, cookie values can be quoted. This parser would include the quotes in the value.
 - Make sure that the proxy example doesn't stall
+- Return an appropriate error code when the user waits on a client with no pending requests
diff --git a/src/includes.h b/src/includes.h
index e555527..05f4beb 100644
--- a/src/includes.h
+++ b/src/includes.h
@@ -26,4 +26,5 @@
 
 #ifdef HTTPS_ENABLED
 #include <openssl/ssl.h>
+#include <openssl/x509v3.h>
 #endif