diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -550,6 +550,9 @@
 
     // Register meta types used for QMetaObject::invokeMethod
     qRegisterMetaType<bool *>();
+#ifdef ENABLE_WALLET
+    qRegisterMetaType<WalletModel *>();
+#endif
     //   Need to pass name here as Amount is a typedef (see
     //   http://qt-project.org/doc/qt-5/qmetatype.html#qRegisterMetaType)
     //   IMPORTANT if it is no longer a typedef use the normal variant above