diff --git a/nvclock0.8b/src/gtk/Makefile.in b/nvclock0.8b/src/gtk/Makefile.in
index 8404518..7106248 100644
--- a/nvclock0.8b/src/gtk/Makefile.in
+++ b/nvclock0.8b/src/gtk/Makefile.in
@@ -34,7 +34,7 @@ endif
 all: $(PROGRAM)
 
 nvclock_gtk: $(DEPS) $(OBJECTS)
-	$(CC) -o nvclock_gtk $(OBJECTS) $(libbackend) $(LIBS)
+	$(CC) -o nvclock_gtk $(OBJECTS) $(libbackend) $(LIBS) -lXext -lX11 -ldl
 
 clean:
 	rm -f nvclock_gtk *.core *.o *.exe
diff --git a/nvclock0.8b/src/qt/Makefile.in b/nvclock0.8b/src/qt/Makefile.in
index 7351a5d..f2e832a 100644
--- a/nvclock0.8b/src/qt/Makefile.in
+++ b/nvclock0.8b/src/qt/Makefile.in
@@ -32,7 +32,7 @@ endif
 all: $(PROGRAM)
 
 nvclock_qt: $(DEPS) qt_nvclock.moc qt_xfree.moc $(OBJECTS)
-	$(CXX) -o nvclock_qt $(CXXFLAGS) $(OBJECTS) $(LIBS) 
+	$(CXX) -o nvclock_qt $(CXXFLAGS) $(OBJECTS) $(LIBS) -lXext -lX11
 
 clean:
 	rm -f nvclock_qt *.core *.moc *.o