diff --git a/src/proto/eval.pro b/src/proto/eval.pro
index 537b649..37170a2 100644
--- a/src/proto/eval.pro
+++ b/src/proto/eval.pro
@@ -119,7 +119,7 @@
 int read_viminfo_varlist(vir_T *virp, int writing);
 void write_viminfo_varlist(FILE *fp);
 int store_session_globals(FILE *fd);
-void last_set_msg(scid_T scriptID);
+void last_set_msg(sctx_T script_ctx);
 void reset_v_option_vars(void);
 void prepare_assert_error(garray_T *gap);
 void assert_error(garray_T *gap);