diff --git a/sys/dev/e1000/e1000_regs.h b/sys/dev/e1000/e1000_regs.h
index 01009d969620..27c456a432e8 100644
--- a/sys/dev/e1000/e1000_regs.h
+++ b/sys/dev/e1000/e1000_regs.h
@@ -71,6 +71,7 @@
 #define E1000_FEXTNVM11	0x5BBC  /* Future Extended NVM 11 - RW */
 #define E1000_FEXTNVM12	0x5BC0  /* Future Extended NVM 12 - RW */
 #define E1000_PCIEANACFG	0x00F18 /* PCIE Analog Config */
+#define E1000_DPGFR	0x00FAC	/* Dynamic Power Gate Force Control Register */
 #define E1000_FCT	0x00030  /* Flow Control Type - RW */
 #define E1000_CONNSW	0x00034  /* Copper/Fiber switch control - RW */
 #define E1000_VET	0x00038  /* VLAN Ether Type - RW */