diff --git a/src/proto/ops.pro b/src/proto/ops.pro
index da9973b..3b4c9c4 100644
--- a/src/proto/ops.pro
+++ b/src/proto/ops.pro
@@ -38,6 +38,8 @@
 void do_do_join __ARGS((long count, int insert_space));
 int do_join __ARGS((int insert_space));
 void op_format __ARGS((oparg_T *oap, int keep_cursor));
+void op_formatexpr __ARGS((oparg_T *oap));
+int fex_format __ARGS((linenr_T lnum, long count));
 void format_lines __ARGS((linenr_T line_count));
 int paragraph_start __ARGS((linenr_T lnum));
 int do_addsub __ARGS((int command, linenr_T Prenum1));