1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/libcrypto/bio/bio_lib.c b/src/lib/libcrypto/bio/bio_lib.c
index cf8e6150fd..e88dcc80f3 100644
--- a/src/lib/libcrypto/bio/bio_lib.c
+++ b/src/lib/libcrypto/bio/bio_lib.c
@@ -169,7 +169,7 @@ int BIO_read(BIO *b, void *out, int outl)
         return(i);
         }
 
-int BIO_write(BIO *b, const char *in, int inl)
+int BIO_write(BIO *b, const void *in, int inl)
         {
         int i;
         long (*cb)();