diff --git a/rtlibc.mk b/rtlibc.mk
index defe42c..ae60fd4 100644
--- a/rtlibc.mk
+++ b/rtlibc.mk
@@ -1,11 +1,10 @@
 CSRCS += \
-$(TWAVE_BASE_PATH)/components/software/rtlibc/src/iprintf.c \
-$(TWAVE_BASE_PATH)/components/software/rtlibc/src/printf.c \
-$(TWAVE_BASE_PATH)/components/software/rtlibc/src/malloc.c \
-$(TWAVE_BASE_PATH)/components/software/rtlibc/src/stdio.c \
-$(TWAVE_BASE_PATH)/components/software/rtlibc/src/stdlib.c \
-$(TWAVE_BASE_PATH)/components/software/rtlibc/src/string.c \
-$(TWAVE_BASE_PATH)/components/software/rtlibc/src/math.c
+$(RTLIBC_PATH)/src/iprintf.c \
+$(RTLIBC_PATH)/src/printf.c \
+$(RTLIBC_PATH)/src/malloc.c \
+$(RTLIBC_PATH)/src/stdio.c \
+$(RTLIBC_PATH)/src/stdlib.c \
+$(RTLIBC_PATH)/src/string.c \
+$(RTLIBC_PATH)/src/math.c
 
-INCDIRS += $(TWAVE_BASE_PATH)/components/software/rtlibc/inc
-
+INCDIRS += $(RTLIBC_PATH)/inc