diff --git a/src/App/ObjectIdentifier.h b/src/App/ObjectIdentifier.h
index 16a16400bc..c510278157 100644
--- a/src/App/ObjectIdentifier.h
+++ b/src/App/ObjectIdentifier.h
@@ -33,6 +33,7 @@
 #include <bitset>
 #include <boost/any.hpp>
 #include <CXX/Objects.hxx>
+#include <FCConfig.h>
 
 namespace App
 {