diff --git a/src/ipconfig.h b/src/ipconfig.h
--- a/src/ipconfig.h
+++ b/src/ipconfig.h
@@ -26,12 +26,15 @@
 #include "ipaddress.h"
 #include "iproute.h"
 
+// To prevent signals in glib2 be defined by QT
+#undef signals
 #include <nm-version.h>
 #if NM_CHECK_VERSION(1, 0, 0)
 #include <libnm/NetworkManager.h>
 #else
 #include <NetworkManager.h>
 #endif
+#define signals Q_SIGNALS
 
 #include <QtCore/QStringList>
 #include <QNetworkAddressEntry>