diff --git a/system/vulkan_enc/Android.mk b/system/vulkan_enc/Android.mk
index efa2799..d59336f 100644
--- a/system/vulkan_enc/Android.mk
+++ b/system/vulkan_enc/Android.mk
@@ -42,7 +42,8 @@
     -DVK_USE_PLATFORM_ANDROID_KHR \
     -DVK_NO_PROTOTYPES \
 
-LOCAL_SRC_FILES := HostVisibleMemoryVirtualization.cpp \
+LOCAL_SRC_FILES := AndroidHardwareBuffer.cpp \
+    HostVisibleMemoryVirtualization.cpp \
     Resources.cpp \
     Validation.cpp \
     VulkanStream.cpp \
@@ -57,6 +58,7 @@
 
 
 ifeq (true,$(GOLDFISH_OPENGL_BUILD_FOR_HOST))
+LOCAL_CFLAGS += -D__ANDROID_API__=28
 $(call emugl-export,SHARED_LIBRARIES,libgui)
 else
 $(call emugl-export,SHARED_LIBRARIES,libsync libnativewindow)