diff --git a/src/lib/libc/stdlib/rand.c b/src/lib/libc/stdlib/rand.c
index 618559fd..00390a23 100644
--- a/src/lib/libc/stdlib/rand.c
+++ b/src/lib/libc/stdlib/rand.c
@@ -48,7 +48,7 @@ __warn_references(rand_r,
 int
 rand(void)
 {
-	if (rand_deterministic)
+	if (rand_deterministic == 0)
 		return (arc4random() % ((u_int)RAND_MAX + 1));
 	return (rand_r(&next));
 }