diff --git a/src/addressbook.h b/src/addressbook.h
index d392b88..b76fa78 100644
--- a/src/addressbook.h
+++ b/src/addressbook.h
@@ -9,6 +9,8 @@ class MainWindow;
 
 class AddressBookModel : public QAbstractTableModel {
 
+	Q_OBJECT
+
 public:
     AddressBookModel(QTableView* parent);
     ~AddressBookModel();
diff --git a/src/balancestablemodel.h b/src/balancestablemodel.h
index 26594e9..d93d4a7 100644
--- a/src/balancestablemodel.h
+++ b/src/balancestablemodel.h
@@ -13,8 +13,10 @@ struct UnspentOutput {
     bool    spendable;
 };
 
-class BalancesTableModel : public QAbstractTableModel
-{
+class BalancesTableModel : public QAbstractTableModel {
+
+	Q_OBJECT
+
 public:
     BalancesTableModel(QObject* parent);
     ~BalancesTableModel();
diff --git a/src/memoedit.h b/src/memoedit.h
index f5ac495..c9ccd07 100644
--- a/src/memoedit.h
+++ b/src/memoedit.h
@@ -5,8 +5,10 @@
 
 #include "precompiled.h"
 
-class MemoEdit : public QPlainTextEdit
-{
+class MemoEdit : public QPlainTextEdit {
+
+	Q_OBJECT
+
 public:
     MemoEdit(QWidget* parent);
 
diff --git a/src/validateaddress.h b/src/validateaddress.h
index ea06b84..81e27f3 100644
--- a/src/validateaddress.h
+++ b/src/validateaddress.h
@@ -7,6 +7,8 @@
 
 class ValidateAddressesModel : public QAbstractTableModel {
 
+	Q_OBJECT
+
 public:
     ValidateAddressesModel(QTableView* parent, QList<QPair<QString, QString>> props);
     ~ValidateAddressesModel() = default;
diff --git a/src/viewalladdresses.h b/src/viewalladdresses.h
index 00b5cd7..aa96e9e 100644
--- a/src/viewalladdresses.h
+++ b/src/viewalladdresses.h
@@ -8,6 +8,8 @@
 
 class ViewAllAddressesModel : public QAbstractTableModel {
 
+	Q_OBJECT
+
 public:
     ViewAllAddressesModel(QTableView* parent, QList<QString> taddrs, RPC* rpc);
     ~ViewAllAddressesModel() = default;