diff --git a/drivers/platform/x86/intel_pmc_core.c b/drivers/platform/x86/intel_pmc_core.c
index 835ed6d333bf..08d8b45303db 100644
--- a/drivers/platform/x86/intel_pmc_core.c
+++ b/drivers/platform/x86/intel_pmc_core.c
@@ -330,9 +330,9 @@ static inline void pmc_core_reg_write(struct pmc_dev *pmcdev, int
 	writel(val, pmcdev->regbase + reg_offset);
 }
 
-static inline u32 pmc_core_adjust_slp_s0_step(u32 value)
+static inline u64 pmc_core_adjust_slp_s0_step(u32 value)
 {
-	return value * SPT_PMC_SLP_S0_RES_COUNTER_STEP;
+	return (u64)value * SPT_PMC_SLP_S0_RES_COUNTER_STEP;
 }
 
 static int pmc_core_dev_state_get(void *data, u64 *val)