diff --git a/index.php b/index.php
index fa868318ab83ef14b13aaaaa59b6e5a08ed68e7c..4d1ff795b27cca2bb9f13db41e078003703c21bf 100644
--- a/index.php
+++ b/index.php
@@ -7,7 +7,7 @@
 
 	// we need a separate check here because functions.php might get parsed
 	// incorrectly before 5.3 because of :: syntax.
-	if (version_compare("5.3.0", phpversion()) == 1) {
+	if (!(version_compare(PHP_VERSION, '5.3.0', '>='))) {
 		print "<b>Fatal Error</b>: PHP version 5.3.0 or newer required.\n";
 		exit;
 	}