diff --git a/plat/arm/css/drivers/scp/css_pm_scmi.c b/plat/arm/css/drivers/scp/css_pm_scmi.c
index 91ea63a..0a5cff6 100644
--- a/plat/arm/css/drivers/scp/css_pm_scmi.c
+++ b/plat/arm/css/drivers/scp/css_pm_scmi.c
@@ -142,7 +142,7 @@
  * Helper function to turn off a CPU power domain and its parent power domains
  * if applicable.
  */
-void css_scp_off(const psci_power_state_t *target_state)
+void css_scp_off(const struct psci_power_state *target_state)
 {
 	int lvl = 0, ret;
 	uint32_t scmi_pwr_state = 0;