diff --git a/compile.mk b/compile.mk
index e390e78..f439fc0 100644
--- a/compile.mk
+++ b/compile.mk
@@ -8,6 +8,8 @@ CFLAGS_debug ?= -g -O0
 CFLAGS_release ?=- O2
 CFLAGS += ${CFLAGS_${CONFIG}}
 
+DEFINES += ${DEFINES_${CONFIG}}
+
 CXX_OBJS := $(addprefix ${BUILD_DIR}/, $(subst .cpp,.o,$(CXX_SRCS)))
 GCC_OBJS := $(addprefix ${BUILD_DIR}/, $(subst .c,.o,$(GCC_SRCS)))