diff --git a/apache2-log-parser.cabal b/apache2-log-parser.cabal
index 199bb899efbdbcf45880c4b80f2d7a94e1c4bc01..64d053746faeb6dfcde8dc307a5944a9be050246 100644
--- a/apache2-log-parser.cabal
+++ b/apache2-log-parser.cabal
@@ -1,5 +1,5 @@
 name:                apache2-log-parser
-version:             1.0.0
+version:             1.0.1
 synopsis:            Simple project template from stack
 description:         Please see README.md
 homepage:            http://github.com/githubuser/apache2-log-parser#readme
diff --git a/src/Main.hs b/src/Main.hs
index 0ccea9acc5f2f3ee380e1b9ec5982e17fbbe0508..902c1a70bd57bf07dbe36ceea761b16a534ee8c5 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -193,7 +193,7 @@ parseFile args = do
       let linesParsed = length logs
       finishTime <- getCurrentTime
       -- duration in seconds
-      let duration = (round . toRational) (diffUTCTime startTime finishTime)
+      let duration = (round . toRational) (diffUTCTime finishTime startTime)
       if duration == 0 then
           printf "parsed %d lines instantly.\n" linesParsed
       else