1 files changed, 2 insertions, 2 deletions
diff --git a/modexp.c b/modexp.c
index 7a804bb..1e3d292 100644
--- a/modexp.c
+++ b/modexp.c
@@ -188,8 +188,8 @@ hal_error_t hal_modexp(const uint8_t * const msg, const size_t msg_len, /* Messa
   check(set_blockmem(MODEXP_MESSAGE_PTR_RST, MODEXP_MESSAGE_DATA, msg, msg_len, io_len));
   check(set_register(MODEXP_MODULUS_LENGTH, /* mod_len */ io_len / 4));
 
-  check(set_blockmem(MODEXP_EXPONENT_PTR_RST, MODEXP_EXPONENT_DATA, exp, exp_len, io_len));
-  check(set_register(MODEXP_EXPONENT_LENGTH, /* exp_len */ io_len / 4));
+  check(set_blockmem(MODEXP_EXPONENT_PTR_RST, MODEXP_EXPONENT_DATA, exp, exp_len, exp_len));
+  check(set_register(MODEXP_EXPONENT_LENGTH, exp_len / 4));
 
   check(hal_io_wait_ready(MODEXP_ADDR_STATUS));