diff --git a/common/haswell_shared/Makefile.inc b/common/haswell_shared/Makefile.inc
index 45b505b..c9b7daa 100644
--- a/common/haswell_shared/Makefile.inc
+++ b/common/haswell_shared/Makefile.inc
@@ -1,6 +1,7 @@
 gfxinit-y += hw-gfx-gma-connectors-ddi.adb
 gfxinit-y += hw-gfx-gma-connectors-ddi.ads
 gfxinit-y += hw-gfx-gma-connectors.adb
+gfxinit-y += hw-gfx-gma-ddi_phy_stub.ads
 gfxinit-y += hw-gfx-gma-port_detect.adb
 gfxinit-y += hw-gfx-gma-power_and_clocks_haswell.adb
 gfxinit-y += hw-gfx-gma-power_and_clocks_haswell.ads