X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/461573cc244a194f804e2bf0c8ba6a365e77c95c..ec64c74532530a8af16bf43723f81842ff0ad803:/src/gtk1/notebook.cpp

diff --git a/src/gtk1/notebook.cpp b/src/gtk1/notebook.cpp
index 113739fb51..a904117faf 100644
--- a/src/gtk1/notebook.cpp
+++ b/src/gtk1/notebook.cpp
@@ -373,7 +373,7 @@ int wxNotebook::SetSelection( int page )
 {
     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 
-    wxCHECK_MSG( page < (int)m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
+    wxCHECK_MSG( page >= 0 && page < (int)m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 
     int selOld = GetSelection();