diff --git a/usr.bin/dc/inout.c b/usr.bin/dc/inout.c
index bd675f51023a..d6a7e26737a0 100644
--- a/usr.bin/dc/inout.c
+++ b/usr.bin/dc/inout.c
@@ -216,12 +216,7 @@ readnumber(struct source *src, u_int base)
 			n->scale++;
 
 		bn_check(BN_mul_word(n->number, base));
-
-#if 0
-		/* work around a bug in BN_add_word: 0 += 0 is buggy.... */
-		if (v > 0)
-#endif
-			bn_check(BN_add_word(n->number, v));
+		bn_check(BN_add_word(n->number, v));
 	}
 	if (base != 10) {
 		scale_number(n->number, n->scale);