1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/libcrypto/kdf/tls1_prf.c b/src/lib/libcrypto/kdf/tls1_prf.c
index 2483cf96a0..ef819318b9 100644
--- a/src/lib/libcrypto/kdf/tls1_prf.c
+++ b/src/lib/libcrypto/kdf/tls1_prf.c
@@ -273,7 +273,7 @@ static int tls1_prf_alg(const EVP_MD *md,
                          seed, seed_len, out, olen))
             return 0;
 
-        if ((tmp = malloc(olen)) == NULL) {
+        if ((tmp = calloc(1, olen)) == NULL) {
             KDFerror(ERR_R_MALLOC_FAILURE);
             return 0;
         }