diff --git a/Config.cpp b/Config.cpp
index 6a199e0..a10e9d6 100644
--- a/Config.cpp
+++ b/Config.cpp
@@ -43,7 +43,7 @@ void Config::setMagic() {
   setUInt32(MAGIC, MAGIC_TOKEN);
 }
 
-void Config::initialize() {
+bool Config::initialize() {
   bool res = false;
   if (! isInitialized()) {
     res = true;