1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/libcrypto/bio/bio.h b/src/lib/libcrypto/bio/bio.h
index bc08401eeb..ebdb18170b 100644
--- a/src/lib/libcrypto/bio/bio.h
+++ b/src/lib/libcrypto/bio/bio.h
@@ -507,7 +507,7 @@ int	BIO_set(BIO *a,BIO_METHOD *type);
 int     BIO_free(BIO *a);
 int     BIO_read(BIO *b, void *data, int len);
 int     BIO_gets(BIO *bp,char *buf, int size);
-int     BIO_write(BIO *b, const char *data, int len);
+int     BIO_write(BIO *b, const void *data, int len);
 int     BIO_puts(BIO *bp,const char *buf);
 long    BIO_ctrl(BIO *bp,int cmd,long larg,void *parg);
 long    BIO_callback_ctrl(BIO *bp,int cmd,void (*fp)());