diff --git a/src/App/Expression.h b/src/App/Expression.h
index 5831cd64a..6da8408de 100644
--- a/src/App/Expression.h
+++ b/src/App/Expression.h
@@ -439,7 +439,7 @@ public:
   Expression * expr;
   ObjectIdentifier path;
   std::deque<ObjectIdentifier::Component> components;
-  int ivalue;
+  long long int ivalue;
   double fvalue;
   struct {
     std::string name;