diff --git a/version.php b/version.php
index 4c211c60c04..a2c7d6be825 100644
--- a/version.php
+++ b/version.php
@@ -6,7 +6,7 @@
 // This is compared against the values stored in the database to determine
 // whether upgrades should be performed (see lib/db/*.php)
 
-    $version = 2007101546;  // YYYYMMDD      = date of the 1.9 branch (don't change)
+    $version = 2007101546.01;  // YYYYMMDD      = date of the 1.9 branch (don't change)
                             //         X     = release number 1.9.[0,1,2,3,4,5...]
                             //          Y.YY = micro-increments between releases