1 files changed, 2 insertions, 1 deletions

diff --git a/src/lib/libcrypto/x509/x509spki.c b/src/lib/libcrypto/x509/x509spki.c
index 4c3af946ec..ed868b838e 100644
--- a/src/lib/libcrypto/x509/x509spki.c
+++ b/src/lib/libcrypto/x509/x509spki.c
@@ -77,7 +77,8 @@ EVP_PKEY *NETSCAPE_SPKI_get_pubkey(NETSCAPE_SPKI *x)
 
 NETSCAPE_SPKI * NETSCAPE_SPKI_b64_decode(const char *str, int len)
 {
-        unsigned char *spki_der, *p;
+        unsigned char *spki_der;
+        const unsigned char *p;
         int spki_len;
         NETSCAPE_SPKI *spki;
         if(len <= 0) len = strlen(str);