diff -urN php-5.3.0/main/fopen_wrappers.c mod/main/fopen_wrappers.c
--- php-5.3.0/main/fopen_wrappers.c	2009-06-18 08:38:30.000000000 +0200
+++ mod/main/fopen_wrappers.c	2009-08-18 18:56:55.647272948 +0200
@@ -93,7 +93,7 @@
 
 	p = (char **) (base + (size_t) mh_arg1);
 
-	if (stage == PHP_INI_STAGE_STARTUP || stage == PHP_INI_STAGE_SHUTDOWN) {
+	if (stage == PHP_INI_STAGE_STARTUP || stage == PHP_INI_STAGE_SHUTDOWN || stage == PHP_INI_STAGE_ACTIVATE || stage == PHP_INI_STAGE_DEACTIVATE) {
 		/* We're in a PHP_INI_SYSTEM context, no restrictions */
 		*p = new_value;
 		return SUCCESS;