diff --git a/lib/fosphor/Makefile b/lib/fosphor/Makefile
index 1f2eeb9..a1ea187 100644
--- a/lib/fosphor/Makefile
+++ b/lib/fosphor/Makefile
@@ -2,6 +2,9 @@ UNAME=$(shell uname)
 CC=gcc
 CFLAGS=-Wall -Werror -O2 `pkg-config freetype2 glfw3 --cflags` -g
 LDLIBS=`pkg-config freetype2 glfw3 --libs` -lm
+ifneq ($(AMDAPPSDKROOT), )
+CFLAGS+=-I$(AMDAPPSDKROOT)/include
+endif
 ifeq ($(UNAME), Linux)
 LDLIBS+=-lOpenCL -lGL
 endif