diff --git a/source/blender/src/Makefile b/source/blender/src/Makefile
index 4741f695a75..5f233970c2d 100644
--- a/source/blender/src/Makefile
+++ b/source/blender/src/Makefile
@@ -69,6 +69,7 @@ CPPFLAGS += -I../blenlib
 CPPFLAGS += -I../bpython/include
 CPPFLAGS += -I../makesdna
 CPPFLAGS += -I../imbuf
+CPPFLAGS += -I../img
 CPPFLAGS += -I../blenloader
 CPPFLAGS += -I../verify
 CPPFLAGS += -I..