diff --git a/Makefile b/Makefile
index a34c7a6..a6f3af7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,11 @@
 # Makefile for the open-source release of adventure 2.5
 
 CCFLAGS=-std=c99
-LIBS=-lrt
+LIBS=
 UNAME_S := $(shell uname -s)
 GCCVERSIONGTEQ4 := $(shell expr `gcc -dumpversion | cut -f1 -d.` \>= 4)
-ifeq ($(UNAME_S),Darwin)
-	LIBS=
+ifeq ($(UNAME_S),Linux)
+	LIBS=-lrt
 else ifeq "$(GCCVERSIONGTEQ4)" "1"
 	CC=c99
 endif