diff --git a/src/proto/if_python3.pro b/src/proto/if_python3.pro
index 0e139b9..63104ab 100644
--- a/src/proto/if_python3.pro
+++ b/src/proto/if_python3.pro
@@ -8,7 +8,7 @@
 void python3_buffer_free(buf_T *buf);
 void python3_window_free(win_T *win);
 void python3_tabpage_free(tabpage_T *tab);
-void do_py3eval(char_u *str, typval_T *rettv);
+void do_py3eval(char_u *str, dict_T* locals, typval_T *rettv);
 int set_ref_in_python3(int copyID);
 int python3_version(void);
 /* vim: set ft=c : */