diff --git a/merge.py b/merge.py
index 656b48c..f35d00f 100644
--- a/merge.py
+++ b/merge.py
@@ -1,11 +1,12 @@
 #!/usr/bin/python
 
 import csv
+import lzma
 
 result = []
 for i in [1,2,4,8,11,12,13,14,15,16,17,18,19,20]:
 	no = str(i)
-	r1 = csv.DictReader(file("/home/tutimura/public_html/cgi-bin/ondotori/"+no+".csv"), fieldnames=["datetime", "temp-"+no, "humid-"+no])
+	r1 = csv.DictReader(lzma.LZMAFile("/home/tutimura/public_html/cgi-bin/ondotori/data/"+no+"/201612.csv.xz"), fieldnames=["datetime", "temp-"+no, "humid-"+no])
 	result+=list(r1)
 
 #result = sum(result,[])  #flatten list of list