diff --git a/admin/index.php b/admin/index.php
index 7cf0531d3f8..edc96388f1f 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -8,9 +8,9 @@
 
 /// Check that PHP is of a sufficient version
 /// Moved here because older versions do not allow while(@ob_end_clean());
-    if (version_compare(phpversion(), "4.3.0") < 0) {
+    if (version_compare(phpversion(), "5.5.0") < 0) {
         $phpversion = phpversion();
-        echo "Sorry, Moodle requires PHP 4.3.0 or later (currently using version $phpversion)";
+        echo "Sorry, Moodle requires PHP 5.2.0 or later (currently using version $phpversion)";
         die;
     }