diff --git a/ccash_config.hpp.in b/ccash_config.hpp.in
index 18141c7..3c6cfca 100644
--- a/ccash_config.hpp.in
+++ b/ccash_config.hpp.in
@@ -37,4 +37,6 @@ etc
 */
 #define API_VERSION 1
 
-#define MULTI_THREADED @MULTI_THREADED_VAL@
\ No newline at end of file
+#define MULTI_THREADED @MULTI_THREADED_VAL@
+
+#define ADD_USER_OPEN @ADD_USER_OPEN_VAL@
\ No newline at end of file