1 files changed, 1 insertions, 1 deletions
diff --git a/py/repl.h b/py/repl.h
index c34a5b8692..048b0de0f9 100644
--- a/py/repl.h
+++ b/py/repl.h
@@ -32,7 +32,7 @@
 
 #if MICROPY_HELPER_REPL
 bool mp_repl_continue_with_input(const char *input);
-mp_uint_t mp_repl_autocomplete(const char *str, mp_uint_t len, const mp_print_t *print, const char **compl_str);
+size_t mp_repl_autocomplete(const char *str, size_t len, const mp_print_t *print, const char **compl_str);
 #endif
 
 #endif // __MICROPY_INCLUDED_PY_REPL_H__