diff --git a/intern/audaspace/intern/Makefile b/intern/audaspace/intern/Makefile
index 2ee7dc0b6a2..85dbbf8aa52 100644
--- a/intern/audaspace/intern/Makefile
+++ b/intern/audaspace/intern/Makefile
@@ -36,6 +36,8 @@ include nan_compile.mk
 CCFLAGS += $(LEVEL_1_CPP_WARNINGS)
 
 CPPFLAGS += -I../ffmpeg
+CPPFLAGS += -I../FX
 CPPFLAGS += -I../SDL
+CPPFLAGS += -I../SRC
 CPPFLAGS += -I..
 CPPFLAGS += -I.