diff --git a/samples/notebook/notebook.cpp b/samples/notebook/notebook.cpp
index bbe2ef4075..4fd4d5fd1a 100644
--- a/samples/notebook/notebook.cpp
+++ b/samples/notebook/notebook.cpp
@@ -217,7 +217,7 @@ MyFrame::MyFrame()
     m_type = Type_Listbook;
 #elif wxUSE_TREEBOOK
     m_type = Type_Treebook;
-#elif
+#else
     #error "Don't use Notebook sample without any book enabled in wxWidgets build!"
 #endif