diff --git a/drivers/char/hw_random/stm32-rng.c b/drivers/char/hw_random/stm32-rng.c
index 37b338a76ba4670a583260555573f27937fac1ae..0ef5b6a3f5605463081657b73b608c1862ec0b96 100644
--- a/drivers/char/hw_random/stm32-rng.c
+++ b/drivers/char/hw_random/stm32-rng.c
@@ -161,6 +161,7 @@ static int stm32_rng_probe(struct platform_device *ofdev)
 #endif
 	priv->rng.read = stm32_rng_read,
 	priv->rng.priv = (unsigned long) dev;
+	priv->rng.quality = 900;
 
 	pm_runtime_set_autosuspend_delay(dev, 100);
 	pm_runtime_use_autosuspend(dev);