diff --git a/files.php b/files.php
index b0bb1eb..390dd05 100644
--- a/files.php
+++ b/files.php
@@ -50,6 +50,7 @@ Please check the <a href="documentation.php">docs</a>.
 	<LI>GNU libtool 1.4 or later
 	<LI>GNU bison
 	<LI>GNU flex
+	<LI>GNU make (BSD make doesn't like some constructs used)
 </UL>
 The following are recommended:
 <UL>