1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/libcrypto/ripemd/rmd_one.c b/src/lib/libcrypto/ripemd/rmd_one.c
index b88446b267..3efb13758f 100644
--- a/src/lib/libcrypto/ripemd/rmd_one.c
+++ b/src/lib/libcrypto/ripemd/rmd_one.c
@@ -61,7 +61,7 @@
 #include <openssl/ripemd.h>
 #include <openssl/crypto.h>
 
-unsigned char *RIPEMD160(const unsigned char *d, unsigned long n,
+unsigned char *RIPEMD160(const unsigned char *d, size_t n,
              unsigned char *md)
         {
         RIPEMD160_CTX c;