diff --git a/lib/classes/update/checker.php b/lib/classes/update/checker.php
index 22776270e30..b6ad40762a8 100644
--- a/lib/classes/update/checker.php
+++ b/lib/classes/update/checker.php
@@ -288,6 +288,12 @@ class checker {
         set_config('recentfetch', time(), 'core_plugin');
         set_config('recentresponse', $response, 'core_plugin');
 
+        if (defined('CACHE_DISABLE_ALL') and CACHE_DISABLE_ALL) {
+            // Very nasty hack to work around cache coherency issues on admin/index.php?cache=0 page,
+            // we definitely need to keep caches in sync when writing into DB at all times!
+            \cache_helper::purge_all(true);
+        }
+
         $this->restore_response(true);
     }