diff --git a/drivers/hwmon/pmbus/lm25066.c b/drivers/hwmon/pmbus/lm25066.c
index 2be50cf1bbde..c797e2e8258f 100644
--- a/drivers/hwmon/pmbus/lm25066.c
+++ b/drivers/hwmon/pmbus/lm25066.c
@@ -14,6 +14,7 @@
 #include <linux/slab.h>
 #include <linux/i2c.h>
 #include <linux/log2.h>
+#include <linux/math.h>
 #include <linux/of.h>
 #include "pmbus.h"
 
@@ -542,8 +543,8 @@ static int lm25066_probe(struct i2c_client *client)
 	if (of_property_read_u32(client->dev.of_node, "shunt-resistor-micro-ohms", &shunt))
 		shunt = 1000;
 
-	info->m[PSC_CURRENT_IN] = info->m[PSC_CURRENT_IN] * shunt / 1000;
-	info->m[PSC_POWER] = info->m[PSC_POWER] * shunt / 1000;
+	info->m[PSC_CURRENT_IN] = DIV_ROUND_CLOSEST_ULL((u64)info->m[PSC_CURRENT_IN] * shunt, 1000);
+	info->m[PSC_POWER] = DIV_ROUND_CLOSEST_ULL((u64)info->m[PSC_POWER] * shunt, 1000);
 
 #if IS_ENABLED(CONFIG_SENSORS_LM25066_REGULATOR)
 	/* LM25056 doesn't support OPERATION */