diff --git a/mach/em24/Action b/mach/em24/Action
index d29cd5936..46eba49ff 100644
--- a/mach/em24/Action
+++ b/mach/em24/Action
@@ -7,3 +7,6 @@ end
 name "2-4 Interpreter Basic library"
 dir libbc
 end
+name "2-4 Interpreter Occam library"
+dir liboc
+end