diff --git a/src/serversdk/databasetable.h b/src/serversdk/databasetable.h
index 2051a0e..4bb0002 100644
--- a/src/serversdk/databasetable.h
+++ b/src/serversdk/databasetable.h
@@ -11,7 +11,7 @@
     Q_PROPERTY(TYPE NAME READ NAME WRITE SETNAME NOTIFY NAME ## Changed USER true) \
     public: \
        TYPE NAME() const { return a_ ## NAME ; } \
-       Q_SLOT void SETNAME(TYPE value) { \
+       Q_SLOT void SETNAME(const TYPE &value) { \
           if (a_ ## NAME == value)  return; \
           a_ ## NAME = value; \
           emit NAME ## Changed(value); \