diff --git a/include/wx/valtext.h b/include/wx/valtext.h
index 62c762990d..c5ca124b67 100644
--- a/include/wx/valtext.h
+++ b/include/wx/valtext.h
@@ -78,7 +78,7 @@ public:
     inline wxArrayString& GetExcludes() { return m_excludes; }
 
     bool HasFlag(wxTextValidatorStyle style) const
-        { return m_validatorStyle & style; }
+        { return (m_validatorStyle & style) != 0; }
 
 protected: