diff --git a/sys/dev/pci/pci_pci.c b/sys/dev/pci/pci_pci.c
--- a/sys/dev/pci/pci_pci.c
+++ b/sys/dev/pci/pci_pci.c
@@ -930,7 +930,8 @@
 		return (false);
 
 	/* A power fault implicitly turns off power to the slot. */
-	if (sc->pcie_slot_sta & PCIEM_SLOT_STA_PFD)
+	if (sc->pcie_slot_cap & PCIEM_SLOT_CAP_PCP &&
+	    sc->pcie_slot_sta & PCIEM_SLOT_STA_PFD)
 		return (false);
 
 	/* If the MRL is disengaged, the slot is powered off. */