diff --git a/makefile b/makefile
index 0612b5e..2b5f079 100644
--- a/makefile
+++ b/makefile
@@ -6,8 +6,6 @@ UNAME := $(shell uname)
 ifeq ($(UNAME), Linux)
 LIBTHREAD=-lpthread
 LIBRT=-lrt
-para: CFLAGS += -DTHREADMAX=32	
-para: idxqry
 endif
 
 BIT=./
@@ -46,6 +44,11 @@ icbench: $(OBJS)
 idxseg:   idxseg.o
 	gcc idxseg.o -o idxseg
 
+ifeq ($(UNAME), Linux)
+para: CFLAGS += -DTHREADMAX=32	
+para: idxqry
+endif
+
 idxcr:   idxcr.o bitpack.o vp4dc.o bitutil.o
 	gcc idxcr.o bitpack.o bitpackv.o vp4dc.o bitutil.o -o idxcr $(LFLAGS)