diff --git a/src/northbridge/intel/haswell/gma.c b/src/northbridge/intel/haswell/gma.c
index 373f429..325edbd 100644
--- a/src/northbridge/intel/haswell/gma.c
+++ b/src/northbridge/intel/haswell/gma.c
@@ -246,7 +246,7 @@
 	/* Enable Force Wake */
 	gtt_write(0x0a180, 1 << 5);
 	gtt_write(0x0a188, 0x00010001);
-	gtt_poll(0x130044, 1 << 0, 1 << 0);
+	gtt_poll(FORCEWAKE_ACK_HSW, 1 << 0, 1 << 0);
 
 	/* GT Settings */
 	gtt_write_regs(haswell_gt_setup);
@@ -420,7 +420,7 @@
 
 	/* Disable Force Wake */
 	gtt_write(0x0a188, 0x00010000);
-	gtt_poll(0x130044, 1 << 0, 0 << 0);
+	gtt_poll(FORCEWAKE_ACK_HSW, 1 << 0, 0 << 0);
 	gtt_write(0x0a188, 0x00000001);
 }