diff --git a/src/proto/ops.pro b/src/proto/ops.pro
index 5a603d0..de4ae73 100644
--- a/src/proto/ops.pro
+++ b/src/proto/ops.pro
@@ -47,7 +47,7 @@
 void prepare_viminfo_registers(void);
 void finish_viminfo_registers(void);
 int read_viminfo_register(vir_T *virp, int force);
-void handle_viminfo_register(garray_T *values, int writing);
+void handle_viminfo_register(garray_T *values, int force);
 void write_viminfo_registers(FILE *fp);
 void x11_export_final_selection(void);
 void clip_free_selection(VimClipboard *cbd);