diff --git a/source/blender/src/Makefile b/source/blender/src/Makefile
index be76b28da29..7bf75126752 100644
--- a/source/blender/src/Makefile
+++ b/source/blender/src/Makefile
@@ -59,7 +59,7 @@ endif
 CPPFLAGS += -I$(NAN_PYTHON)/include/python$(NAN_PYTHON_VERSION)
 CPPFLAGS += -I$(NAN_GHOST)/include
 CPPFLAGS += -I$(NAN_BMFONT)/include
-CPPFLAGS += -I$(NAN_SOUNDSYSTEM)/include
+CPPFLAGS += -I$(NAN_SOUNDSYSTEM)/include $(NAN_SDLCFLAGS)
 
 # External interfaces of modules:
 CPPFLAGS += -I../render/extern/include