diff --git a/modules/src/.distr b/modules/src/.distr
index 71a0e5341..59d4d829a 100644
--- a/modules/src/.distr
+++ b/modules/src/.distr
@@ -3,6 +3,7 @@ alloc
 assert
 em_code
 em_mes
+em_opt
 flt_arith
 idf
 input