diff --git a/lang/cem/libcc/.distr b/lang/cem/libcc/.distr
index eb799e92..eeee6c85 100644
--- a/lang/cem/libcc/.distr
+++ b/lang/cem/libcc/.distr
@@ -1,3 +1,4 @@
 gen
 mon
 stdio
+math