diff --git a/crypto/bn/bntest.c b/crypto/bn/bntest.c
index 8f5b72c7f..9d1fca7ea 100644
--- a/crypto/bn/bntest.c
+++ b/crypto/bn/bntest.c
@@ -1013,7 +1013,7 @@ int test_sqrt(BIO *bp, BN_CTX *ctx)
 		{
 		if (i < 8)
 			{
-			unsigned primes[8] = { 2, 3, 7, 11, 13, 17, 19 };
+			unsigned primes[8] = { 2, 3, 5, 7, 11, 13, 17, 19 };
 			
 			if (!BN_set_word(p, primes[i])) goto err;
 			}