diff --git a/drivers/sensor/maxim/ds18b20/ds18b20.c b/drivers/sensor/maxim/ds18b20/ds18b20.c
index b546bfa..4d72f68 100644
--- a/drivers/sensor/maxim/ds18b20/ds18b20.c
+++ b/drivers/sensor/maxim/ds18b20/ds18b20.c
@@ -89,7 +89,7 @@
 
 	if (cfg->chip == type_ds18s20) {
 		val->val1 = temp / 2;
-		val->val2 = (temp % 2) * 5000000;
+		val->val2 = (temp % 2) * 500000;
 	} else {
 		val->val1 = temp / 16;
 		val->val2 = (temp % 16) * 1000000 / 16;