diff --git a/src/soc/amd/phoenix/xhci.c b/src/soc/amd/phoenix/xhci.c
index ef1b60a..06481ed 100644
--- a/src/soc/amd/phoenix/xhci.c
+++ b/src/soc/amd/phoenix/xhci.c
@@ -49,7 +49,7 @@
 
 static void configure_xhci_sci(void *unused)
 {
-	gpe_configure_sci(xhci_sci_sources, ARRAY_SIZE(xhci_sci_sources) - 1);
+	gpe_configure_sci(xhci_sci_sources, ARRAY_SIZE(xhci_sci_sources));
 }
 
 BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY, configure_xhci_sci, NULL);