diff --git a/samples/notebook/notebook.cpp b/samples/notebook/notebook.cpp
index 31d2067898..0c46b7f54d 100644
--- a/samples/notebook/notebook.cpp
+++ b/samples/notebook/notebook.cpp
@@ -291,7 +291,7 @@ 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