diff --git a/crypto/bn/bn_exp.c b/crypto/bn/bn_exp.c
index e3314f881..811732376 100644
--- a/crypto/bn/bn_exp.c
+++ b/crypto/bn/bn_exp.c
@@ -664,7 +664,7 @@ int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,
 	BIGNUM *swap_tmp;
 #define BN_MOD_MUL_WORD(r, w, m) \
 		(BN_mul_word(r, (w)) && \
-		(BN_ucmp(r, (m)) < 0 ? 1 : \
+		(/* BN_ucmp(r, (m)) < 0 ? 1 :*/  \
 			(BN_mod(t, r, m, ctx) && (swap_tmp = r, r = t, t = swap_tmp, 1))))
 		/* BN_MOD_MUL_WORD is only used with 'w' large,
 		  * so the BN_ucmp test is probably more overhead