diff --git a/lib/db/upgrade.php b/lib/db/upgrade.php
index <HASH>..<HASH> 100644
--- a/lib/db/upgrade.php
+++ b/lib/db/upgrade.php
@@ -1465,6 +1465,14 @@ function xmldb_main_upgrade($oldversion) {
         upgrade_main_savepoint(true, 2012111200.00);
     }
 
+    if ($oldversion < 2012111200.01) {
+        // Force the rebuild of the cache of every courses, some cached information could contain wrong icon references.
+        rebuild_course_cache();
+
+        // Main savepoint reached.
+        upgrade_main_savepoint(true, 2012111200.01);
+    }
+
 
     return true;
 }
diff --git a/version.php b/version.php
index <HASH>..<HASH> 100644
--- a/version.php
+++ b/version.php
@@ -30,7 +30,7 @@
 defined('MOODLE_INTERNAL') || die();
 
 
-$version  = 2012111200.00;              // YYYYMMDD      = weekly release date of this DEV branch
+$version  = 2012111200.01;              // YYYYMMDD      = weekly release date of this DEV branch
                                         //         RR    = release increments - 00 in DEV branches
                                         //           .XX = incremental changes
MDL-<I> upgrade: Force courses cache to be rebuilt