diff --git a/src/libs/compat/freebsd_network/compat/dev/pci/pcireg.h b/src/libs/compat/freebsd_network/compat/dev/pci/pcireg.h
index 27e83a2fcd..90844b2257 100644
--- a/src/libs/compat/freebsd_network/compat/dev/pci/pcireg.h
+++ b/src/libs/compat/freebsd_network/compat/dev/pci/pcireg.h
@@ -60,6 +60,7 @@
 #define	PCIM_CMD_PERRESPEN	0x0040
 #define	PCIM_CMD_SERRESPEN	0x0100
 #define	PCIM_CMD_BACKTOBACK	0x0200
+#define	PCIM_CMD_INTxDIS	0x0400
 #define	PCIR_STATUS	0x06
 #define	PCIM_STATUS_CAPPRESENT	0x0010
 #define	PCIM_STATUS_66CAPABLE	0x0020