diff --git a/source/mpi/package.d.in b/source/mpi/package.d.in
index a73b9b1..90f8610 100644
--- a/source/mpi/package.d.in
+++ b/source/mpi/package.d.in
@@ -28,6 +28,8 @@ import core.stdc.config;
 
 extern (C):
 
+nothrow @nogc:
+
 // BEGIN AUTO
 
 // END AUTO