1 files changed, 4 insertions, 2 deletions

diff --git a/shared/fileError.h b/shared/fileError.h
index ac47dfed..210d1029 100644
--- a/shared/fileError.h
+++ b/shared/fileError.h
@@ -12,19 +12,21 @@
 
 namespace FreeFileSync
 {
-class FileError //Exception class used to notify file/directory copy/delete errors
+class FileError //Exception base class used to notify file/directory copy/delete errors
 {
 public:
     FileError(const wxString& message) :
         errorMessage(message) {}
 
+    virtual ~FileError() {}
+
     const wxString& show() const
     {
         return errorMessage;
     }
 
 private:
-    wxString errorMessage;
+    const wxString errorMessage;
 };
 }