diff --git a/dist/tools/benchmark_udp/Makefile b/dist/tools/benchmark_udp/Makefile
index 63829f0d63..d75041967b 100644
--- a/dist/tools/benchmark_udp/Makefile
+++ b/dist/tools/benchmark_udp/Makefile
@@ -10,7 +10,7 @@ run:
 	$(BINARY) :: 12345
 
 RIOTBASE:=../../..
-RIOT_INCLUDES=-I$(RIOTBASE)/core/include -I$(RIOTBASE)/sys/include
+RIOT_INCLUDES=-I$(RIOTBASE)/core/lib/include -I$(RIOTBASE)/sys/include
 SRCS:=$(wildcard *.c)
 $(BINARY): $(SRCS)
 	$(CC) $(CFLAGS) $(CFLAGS_EXTRA) $(RIOT_INCLUDES) -I.. $(SRCS) -o $@