diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index ea829659149ab..01ac7112b5fd7 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -176,7 +176,7 @@ static unsigned long dmatest_random(void)
 {
 	unsigned long buf;
 
-	get_random_bytes(&buf, sizeof(buf));
+	prandom_bytes(&buf, sizeof(buf));
 	return buf;
 }