diff --git a/check_lysrdiff b/check_lysrdiff
index edc25f99a8cd695c0581e9a6f61884112b03289f..e3bd355d15456436c14a82abb6075c7f3b7c8391 100755
--- a/check_lysrdiff
+++ b/check_lysrdiff
@@ -20,7 +20,7 @@ do
   case "x$1" in
     x--activity)
       activity=$2
-      shift	
+      shift
       shift;;
     x--stale)
       stale=$2
@@ -31,7 +31,7 @@ do
       exit 1;;
     x*) break;;
   esac
-done  
+done
 
 if [ $# != 2 ]
 then