diff --git a/samples/quake/jni/Android-portable.mk b/samples/quake/jni/Android-portable.mk
index b95227b..a2fd8b1 100644
--- a/samples/quake/jni/Android-portable.mk
+++ b/samples/quake/jni/Android-portable.mk
@@ -64,10 +64,11 @@
   zone.cpp
 
 LOCAL_CFLAGS := -fno-zero-initialized-in-bss \
-  -I$(OUT)/../../../../system/media/wilhelm/include \
   -I$(OUT)/../../../../dalvik/libnativehelper/include \
   -I$(OUT)/../../../../frameworks/base/include \
   -I$(OUT)/../../../../system/core/include
 
+LOCAL_C_INCLUDES := $(call include-path-for, wilhelm)
+
 
 include $(BUILD_BITCODE)
diff --git a/samples/quake/jni/Android.mk b/samples/quake/jni/Android.mk
index 66fcfe2..1881080 100644
--- a/samples/quake/jni/Android.mk
+++ b/samples/quake/jni/Android.mk
@@ -34,11 +34,12 @@
 
 LOCAL_CFLAGS := -Werror \
 	-I$(OUT)/../../../../frameworks/compile/libbcc/include \
-	-I$(OUT)/../../../../system/media/wilhelm/include \
 	-I$(OUT)/../../../../dalvik/libnativehelper/include \
 	-I$(OUT)/../../../../frameworks/base/include \
 	-I$(OUT)/../../../../system/core/include
 
+LOCAL_C_INCLUDES := $(call include-path-for, wilhelm)
+
 LOCAL_LDLIBS := -llog -lutils -lEGL -lGLESv1_CM -lOpenSLES -lbcc
 LOCAL_LDFLAGS := -L$(OUT)/system/lib/