1 files changed, 2 insertions, 1 deletions

diff --git a/src/lib/libssl/src/crypto/pkcs7/pk7_attr.c b/src/lib/libssl/src/crypto/pkcs7/pk7_attr.c
index 039141027a..735c8800e1 100644
--- a/src/lib/libssl/src/crypto/pkcs7/pk7_attr.c
+++ b/src/lib/libssl/src/crypto/pkcs7/pk7_attr.c
@@ -96,7 +96,8 @@ int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si, STACK_OF(X509_ALGOR) *cap)
 STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si)
         {
         ASN1_TYPE *cap;
-        unsigned char *p;
+        const unsigned char *p;
+
         cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities);
         if (!cap || (cap->type != V_ASN1_SEQUENCE))
                 return NULL;