diff --git a/ISLE/define.cpp b/ISLE/define.cpp
index f5751c6e..7f574a8c 100644
--- a/ISLE/define.cpp
+++ b/ISLE/define.cpp
@@ -3,8 +3,7 @@
 Isle *g_isle = 0;
 int g_closed = 0;
 
-const char *WNDCLASS_NAME = "Lego Island MainNoM App";
-const char *WINDOW_TITLE = "LEGO®";
+const char *WINDOW_TITLE = "LEGO®";
 
 unsigned char g_mousedown = 0;
 unsigned char g_mousemoved = 0;
diff --git a/ISLE/define.h b/ISLE/define.h
index ffa97a68..b104f239 100644
--- a/ISLE/define.h
+++ b/ISLE/define.h
@@ -5,7 +5,7 @@ class Isle;
 
 extern Isle *g_isle;
 extern int g_closed;
-extern const char *WNDCLASS_NAME;
+#define WNDCLASS_NAME "Lego Island MainNoM App"
 extern const char *WINDOW_TITLE;
 extern unsigned char g_mousedown;
 extern unsigned char g_mousemoved;