@@ -124,11 +124,11 @@
  */
 @interface OFApplication: OFObject
 {
 	OFString *_programName;
 	OFArray OF_GENERIC(OFString *) *_arguments;
-	OFDictionary OF_GENERIC(OFString *, OFString *) *_environment;
+	OFMutableDictionary OF_GENERIC(OFString *, OFString *) *_environment;
 	int *_argc;
 	char ***_argv;
 @public
 	id <OFApplicationDelegate> _delegate;
 	void (*_SIGINTHandler)(id, SEL);