diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index b34a4b2760c07d75f1a4152e1c3a4dc754856ef6..907f80e0237970382392c5b7bbb14d7d98c6ab2b 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -1298,7 +1298,7 @@ static void intel_idle_init_cstates_acpi(struct cpuidle_driver *drv)
 		struct acpi_processor_cx *cx;
 		struct cpuidle_state *state;
 
-		if (intel_idle_max_cstate_reached(cstate))
+		if (intel_idle_max_cstate_reached(cstate - 1))
 			break;
 
 		cx = &acpi_state_table.states[cstate];