diff --git a/src/ochess.cpp b/src/ochess.cpp
index 7e212f8..bf3a2ce 100644
--- a/src/ochess.cpp
+++ b/src/ochess.cpp
@@ -5,8 +5,21 @@
 bool MyApp::OnInit() {
   wxImage::AddHandler(new wxPNGHandler);
 
+  // Check config version
+  CONFIG_OPEN(conf);
+  wxString version=conf->Read("version",CONFIG_VERSION);
+  conf->Write("version",version); // Setup config file version
+  wxLogDebug("Starting ochess with configuration file version %s",version);
+  CONFIG_CLOSE(conf);
+
+  // Advertise for configuration file version
+  if(version != CONFIG_VERSION)
+    SHOW_DIALOG_INFO("Configuration files version missmatch. Expected "+std::string(CONFIG_VERSION)+" but got "+version+".\nPlease remove the current configuration file as it may crash the application.");
+
+  // Main frame
   MainWindow *frame = new MainWindow();
   frame->Show(true);
+
   return true;
 }
 
diff --git a/src/ochess.hpp b/src/ochess.hpp
index 7fc4280..d5b7c16 100644
--- a/src/ochess.hpp
+++ b/src/ochess.hpp
@@ -35,7 +35,7 @@
 
 #define CONFIG_OPEN(name) wxConfig *name = new wxConfig("ochess")
 #define CONFIG_CLOSE(name) delete name
-
+#define CONFIG_VERSION "1.0"
 
 class Game;
 class GameBase;