1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libcrypto/bio/bss_conn.c b/src/lib/libcrypto/bio/bss_conn.c
index f91ae4c8c6..743db6ff94 100644
--- a/src/lib/libcrypto/bio/bss_conn.c
+++ b/src/lib/libcrypto/bio/bss_conn.c
@@ -519,7 +519,7 @@ static long conn_ctrl(BIO *b, int cmd, long num, void *ptr)
                         else if (num == 2)
                                 {
                                 char buf[16];
-                                char *p = ptr;
+                                unsigned char *p = ptr;
 
                                 sprintf(buf,"%d.%d.%d.%d",
                                         p[0],p[1],p[2],p[3]);
@@ -530,7 +530,7 @@ static long conn_ctrl(BIO *b, int cmd, long num, void *ptr)
                                 }
                         else if (num == 3)
                                 {
-                                char buf[16];
+                                char buf[DECIMAL_SIZE(int)+1];
 
                                 sprintf(buf,"%d",*(int *)ptr);
                                 if (data->param_port != NULL)