diff --git a/config/stl-headers b/config/stl-headers
index dc7f6f0fb7a..a1f77ac5ba6 100644
--- a/config/stl-headers
+++ b/config/stl-headers
@@ -36,6 +36,7 @@ utility
 vector
 cassert
 climits
+cmath
 cstdarg
 cstdio
 cstdlib