diff --git a/test/Makefile b/test/Makefile
index 6d682c4..d4233ac 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -6,12 +6,13 @@
 #LIBINC=-L
 #LIBS=
 
+OSTYPE=$(shell uname -s)
 CC=gcc
 CFLAGS=-Wall --static 
 #-O2 -ggdb
 INCLUDES=-I ../src/
 LIBINC=-L ../src
-LIBS=-lnazgul -lrt
+LIBS=-lnazgul $(OSTYPE:Linux=-lrt)
 
 PRJNAME=Libnazgul
 GDATE := $(shell date +"-%Y-%m-%d_r%H")