2 files changed, 3 insertions, 0 deletions
diff --git a/crypto/rand/rand_err.c b/crypto/rand/rand_err.c
index 177a109498..6888ed9d9b 100644
--- a/crypto/rand/rand_err.c
+++ b/crypto/rand/rand_err.c
@@ -19,6 +19,8 @@ static const ERR_STRING_DATA RAND_str_functs[] = {
 };
 
 static const ERR_STRING_DATA RAND_str_reasons[] = {
+    {ERR_PACK(ERR_LIB_RAND, 0, RAND_R_FUNC_NOT_IMPLEMENTED),
+    "Function not implemented"},
     {ERR_PACK(ERR_LIB_RAND, 0, RAND_R_PRNG_NOT_SEEDED), "PRNG not seeded"},
     {0, NULL}
 };
diff --git a/crypto/rand/rand_lib.c b/crypto/rand/rand_lib.c
index 7ffd10bd78..84d6b5d6c7 100644
--- a/crypto/rand/rand_lib.c
+++ b/crypto/rand/rand_lib.c
@@ -137,6 +137,7 @@ int RAND_bytes(unsigned char *buf, int num)
     const RAND_METHOD *meth = RAND_get_rand_method();
     if (meth && meth->bytes)
         return meth->bytes(buf, num);
+    RANDerr(RAND_F_RAND_BYTES, RAND_R_FUNC_NOT_IMPLEMENTED);
     return (-1);
 }