diff --git a/configuration.cc b/configuration.cc
index 76596da..a8a7f29 100644
--- a/configuration.cc
+++ b/configuration.cc
@@ -154,7 +154,7 @@ void Configuration::LoadConfig(std::string filename) {
 			list<JSONElement> je;
 			list<JSONElement>::iterator iter;
 			int ctrli;
-			long int id;
+			int64_t id;
 
 			//
 			// load all controls from JSONParse object