diff --git a/Tools/TimePlot/Incremental.hs b/Tools/TimePlot/Incremental.hs
--- a/Tools/TimePlot/Incremental.hs
+++ b/Tools/TimePlot/Incremental.hs
@@ -52,6 +52,6 @@
   where
     init' = M.empty
     insert' (k,v) m = case M.lookup k m of
-      Nothing -> M.insert k (initByKey k) m
+      Nothing -> M.insert k (insert (initByKey k) v) m
       Just !s -> M.insert k (insert s v) m
     finalize' = fmap finalize
diff --git a/timeplot.cabal b/timeplot.cabal
--- a/timeplot.cabal
+++ b/timeplot.cabal
@@ -1,5 +1,5 @@
 name: timeplot
-version: 1.0.5
+version: 1.0.6
 cabal-version: >=1.6
 build-type: Simple
 license: BSD3