diff --git a/dgl/Makefile b/dgl/Makefile
index c1a1df1b..e570a949 100644
--- a/dgl/Makefile
+++ b/dgl/Makefile
@@ -16,9 +16,12 @@ LINK_FLAGS      += $(DGL_LIBS)
 ifeq ($(USE_OPENGL3),true)
 BUILD_CXX_FLAGS += -DDGL_USE_OPENGL3
 endif
-ifneq ($(USE_NANOVG_FBO),true)
+ifeq ($(USE_NANOVG_FBO),true)
 BUILD_CXX_FLAGS += -DDGL_USE_NANOVG_FBO
 endif
+ifeq ($(USE_RGBA),true)
+BUILD_CXX_FLAGS += -DDGL_USE_RGBA
+endif
 
 # TODO fix these after pugl-upstream is done
 BUILD_CXX_FLAGS += -Wno-attributes -Wno-extra -Wno-missing-field-initializers