--- NSIS-2.0.5/Source/Platform.h.foo	2005-09-06 02:33:54.000000000 +0100
+++ NSIS-2.0.5/Source/Platform.h	2005-04-09 16:35:12.000000000 +0100
@@ -68,8 +68,8 @@
 #else
 #  define PLATFORM_PATH_SEPARATOR_STR "/"
 #  define PLATFORM_PATH_SEPARATOR_C '/'
-#  define OPT_STR "-"
-#  define OPT_C '-'
+#  define OPT_STR "/"
+#  define OPT_C '/'
 #endif
 
 // attributes