diff --git a/include/mysql_com.h b/include/mysql_com.h
index d5a70e4dfe8..be8db185737 100644
--- a/include/mysql_com.h
+++ b/include/mysql_com.h
@@ -317,9 +317,9 @@ extern unsigned long net_buffer_length;
 void randominit(struct rand_struct *, unsigned long seed1,
                 unsigned long seed2);
 double my_rnd(struct rand_struct *);
-void create_random_string(char *to, uint length, struct rand_struct *rand_st);
+void create_random_string(char *to, unsigned int length, struct rand_struct *rand_st);
 
-void hash_password(unsigned long *to, const char *password, uint password_len);
+void hash_password(unsigned long *to, const char *password, unsigned int password_len);
 void make_scrambled_password_323(char *to, const char *password);
 void scramble_323(char *to, const char *message, const char *password);
 my_bool check_scramble_323(const char *, const char *message,