diff --git a/eclass/ltprune.eclass b/eclass/ltprune.eclass
index a8bb4c842bc08..c0fa391bdff29 100644
--- a/eclass/ltprune.eclass
+++ b/eclass/ltprune.eclass
@@ -4,6 +4,7 @@
 # @ECLASS: ltprune.eclass
 # @MAINTAINER:
 # Michał Górny <mgorny@gentoo.org>
+# @SUPPORTED_EAPIS: 0 1 2 3 4 5 6
 # @BLURB: Smart .la file pruning
 # @DESCRIPTION:
 # A function to locate and remove unnecessary .la files.