diff --git a/doc/rpm-build/apache.conf b/doc/rpm-build/apache.conf
index e47a8cd823..e6ab34b1d3 100644
--- a/doc/rpm-build/apache.conf
+++ b/doc/rpm-build/apache.conf
@@ -22,8 +22,8 @@ Alias /egroupware /usr/share/egroupware
   php_flag short_open_tag on
   php_flag track_vars on
   php_flag display_errors off
-  # E_ALL & ~E_NOTICE = 8191 - 8 = 8183
-  php_value error_reporting 8183
+  # E_ALL & ~E_NOTICE & ~E_STRICT = 8191 - 8 - 2048 = 6135
+  php_value error_reporting 6135
   php_value max_execution_time 90
   php_admin_value mbstring.func_overload 7
   php_value memory_limit 64M