diff --git a/source/blender/python/SConscript b/source/blender/python/SConscript
index 59fc6746d86..9cd245394b0 100644
--- a/source/blender/python/SConscript
+++ b/source/blender/python/SConscript
@@ -20,4 +20,7 @@ if env['WITH_BF_QUICKTIME']==1:
 if env['WITH_BF_OPENEXR'] == 1:
     defs.append('WITH_OPENEXR')
 
+if env['WITH_BF_FFMPEG'] == 1:
+    defs.append('WITH_FFMPEG')
+
 env.BlenderLib ( libname='blender_python', sources = Split(sources), includes = Split(incs), defines = defs, libtype=['core','game2'], priority = [60,115] )