diff --git a/avahi-qt/Makefile.am b/avahi-qt/Makefile.am
index b404810..6911db8 100644
--- a/avahi-qt/Makefile.am
+++ b/avahi-qt/Makefile.am
@@ -40,7 +40,7 @@ qt-watch.moc3: qt-watch.cpp
 
 libavahi_qt3_la_CPPFLAGS = $(AM_CFLAGS) $(QT3_CFLAGS) -DQT3 $(VISIBILITY_HIDDEN_CFLAGS)
 libavahi_qt3_la_LIBADD = $(AM_LDADD) ../avahi-common/libavahi-common.la $(QT3_LIBS)
-libavahi_qt3_la_LDFLAGS = $(AM_LDFLAGS) -export-dynamic -version-info $(LIBAVAHI_QT3_VERSION_INFO)
+libavahi_qt3_la_LDFLAGS = $(AM_LDFLAGS) -Wl,--no-undefined -no-undefined -export-dynamic -version-info $(LIBAVAHI_QT3_VERSION_INFO)
 endif
 
 if HAVE_QT4
@@ -62,7 +62,7 @@ qt-watch.moc4: qt-watch.cpp
 
 libavahi_qt4_la_CPPFLAGS = $(AM_CFLAGS) $(QT4_CFLAGS) -DQT4 $(VISIBILITY_HIDDEN_CFLAGS)
 libavahi_qt4_la_LIBADD = $(AM_LDADD) ../avahi-common/libavahi-common.la $(QT4_LIBS)
-libavahi_qt4_la_LDFLAGS = $(AM_LDFLAGS) -version-info $(LIBAVAHI_QT4_VERSION_INFO)
+libavahi_qt4_la_LDFLAGS = $(AM_LDFLAGS) -Wl,--no-undefined -no-undefined -version-info $(LIBAVAHI_QT4_VERSION_INFO)
 endif
 
 if HAVE_QT5
@@ -84,7 +84,7 @@ qt-watch.moc5: qt-watch.cpp
 
 libavahi_qt5_la_CPPFLAGS = $(AM_CFLAGS) --std=gnu++11 $(QT5_CFLAGS) -DQT5 $(VISIBILITY_HIDDEN_CFLAGS)
 libavahi_qt5_la_LIBADD = $(AM_LDADD) ../avahi-common/libavahi-common.la $(QT5_LIBS)
-libavahi_qt5_la_LDFLAGS = $(AM_LDFLAGS) -version-info $(LIBAVAHI_QT5_VERSION_INFO)
+libavahi_qt5_la_LDFLAGS = $(AM_LDFLAGS) -Wl,--no-undefined -no-undefined  -version-info $(LIBAVAHI_QT5_VERSION_INFO)
 endif
 
 CLEANFILES = $(BUILT_SOURCES)