diff --git a/lib/dstat b/lib/dstat
index 73ca279..a17125f 100644
--- a/lib/dstat
+++ b/lib/dstat
@@ -20,7 +20,7 @@
 # Defaults
 # --------
 # for DSTAT logging
-DSTAT_FILE=${DSTAT_FILE:-"dstat.txt"}
+DSTAT_FILE=${DSTAT_FILE:-"dstat.log"}
 
 
 # start_dstat() - Start running processes, including screen