diff --git a/tmp/post_upgrade_command.php b/tmp/post_upgrade_command.php
index a80a6f080e..bc6c29a155 100755
--- a/tmp/post_upgrade_command.php
+++ b/tmp/post_upgrade_command.php
@@ -22,6 +22,6 @@
 	$files_to_process = split("\n", file_get_contents("/etc/pfSense.obsoletedfiles"));
 	foreach($files_to_process as $filename) 
 		if(file_exists($filename)) 
-			exec("rm $filename");
+			exec("/bin/rm $filename");
 
 ?>
\ No newline at end of file