diff --git a/sys/dev/pci/pcireg.h b/sys/dev/pci/pcireg.h
index 0ee26154fee..fd23da4b68b 100644
--- a/sys/dev/pci/pcireg.h
+++ b/sys/dev/pci/pcireg.h
@@ -697,7 +697,7 @@
 #define	PCIR_AER_UC_STATUS	0x04
 #define	PCIM_AER_UC_TRAINING_ERROR	0x00000001
 #define	PCIM_AER_UC_DL_PROTOCOL_ERROR	0x00000010
-#define	PCIM_AER_UC_SUPRISE_LINK_DOWN	0x00000020
+#define	PCIM_AER_UC_SURPRISE_LINK_DOWN	0x00000020
 #define	PCIM_AER_UC_POISONED_TLP	0x00001000
 #define	PCIM_AER_UC_FC_PROTOCOL_ERROR	0x00002000
 #define	PCIM_AER_UC_COMPLETION_TIMEOUT	0x00004000