diff --git a/dbrandom.c b/dbrandom.c
index 24125ce..a03c921 100644
--- a/dbrandom.c
+++ b/dbrandom.c
@@ -198,7 +198,7 @@
 	}
 #elif defined(__Fuchsia__)
 	unsigned char mx_random_bits[INIT_SEED_SIZE];
-	mx_size_t count;
+	size_t count;
 	mx_status_t status = mx_cprng_draw(mx_random_bits, INIT_SEED_SIZE, &count);
 	if (status != NO_ERROR || count != INIT_SEED_SIZE) {
 		dropbear_exit("Failure reading kernel random: %d %ld", status, count);