diff --git a/crypto/bn/bn_rand.c b/crypto/bn/bn_rand.c
index df45575f9a7d0142683fd8c56dbe01fbdab22f31..323bfa74bc12f5e7c2e6631818d360c1151e3a06 100644
--- a/crypto/bn/bn_rand.c
+++ b/crypto/bn/bn_rand.c
@@ -140,7 +140,7 @@ static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)
 
 	/* make a random number and set the top and bottom bits */
 	time(&tim);
-	RAND_add(&tim,sizeof(tim),0);
+	RAND_add(&tim,sizeof(tim),0.0);
 
 	if (pseudorand)
 		{