Index: Resources/Orthanc/Databases/ISqlLookupFormatter.cpp
--- Resources/Orthanc/Databases/ISqlLookupFormatter.cpp.orig
+++ Resources/Orthanc/Databases/ISqlLookupFormatter.cpp
@@ -50,7 +50,7 @@
 #include "DatabaseConstraint.h"
 
 #include <boost/lexical_cast.hpp>
-
+#include <cassert>
 
 namespace Orthanc
 {
