diff --git a/demo/graph_to_eps_demo.cc b/demo/graph_to_eps_demo.cc
--- a/demo/graph_to_eps_demo.cc
+++ b/demo/graph_to_eps_demo.cc
@@ -42,7 +42,7 @@
 int main()
 {
   Palette palette;
-  Palette paletteW(-1,true);
+  Palette paletteW(true);
 
   ListDigraph g;
   typedef ListDigraph::Node Node;
diff --git a/lemon/color.h b/lemon/color.h
--- a/lemon/color.h
+++ b/lemon/color.h
@@ -119,7 +119,7 @@
     ///\param have_white indicates whether white is amongst the
     ///provided color (\c true) or not (\c false). If it is true,
     ///white will be assigned to \c 0.
-    Palette(int num=-1,bool have_white=false)
+    Palette(bool have_white=false,int num=-1)
     {
       if (num==0) return;
       do {