diff --git a/src/proto.h b/src/proto.h
index b3683af..660abc9 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -72,6 +72,7 @@
 # include "digraph.pro"
 # include "edit.pro"
 # include "eval.pro"
+# include "evalfunc.pro"
 # include "ex_cmds.pro"
 # include "ex_cmds2.pro"
 # include "ex_docmd.pro"