diff --git a/changelog b/changelog
--- a/changelog
+++ b/changelog
@@ -1,5 +1,8 @@
 -*-change-log-*-
 
+v0.3.1 May 2015
+ * Fix: Bumping lens dependency and removing upper bound.
+
 v0.3 April 2015
  * Breaking change: Switching all the numeric types associated to geometry
    to Double precision (thx to Kasbah)
diff --git a/src/Graphics/Svg/PathParser.hs b/src/Graphics/Svg/PathParser.hs
--- a/src/Graphics/Svg/PathParser.hs
+++ b/src/Graphics/Svg/PathParser.hs
@@ -78,8 +78,8 @@
        <|> (SmoothQuadraticBezierCurveTo OriginRelative <$ string "t" <*> pointList)
        <|> (EllipticalArc OriginAbsolute <$ string "A" <*> manyComma ellipticalArgs)
        <|> (EllipticalArc OriginRelative <$ string "a" <*> manyComma ellipticalArgs)
-       <|> (EndPath <$ string "Z")
-       <|> (EndPath <$ string "z")
+       <|> (EndPath <$ string "Z" <* commaWsp)
+       <|> (EndPath <$ string "z" <* commaWsp)
     where pointList = point `sepBy1` commaWsp
           pointPair = (,) <$> point <* commaWsp <*> point
           pointPairList = pointPair `sepBy1` commaWsp
@@ -93,8 +93,8 @@
           ellipticalArgs = (,,,,,) <$> numComma
                                    <*> numComma
                                    <*> numComma
-                                   <*> (fmap (==0) numComma)
-                                   <*> (fmap (==0) numComma)
+                                   <*> (fmap (/= 0) numComma)
+                                   <*> (fmap (/= 0) numComma)
                                    <*> point
 
 serializePoint :: RPoint -> String
@@ -147,7 +147,7 @@
   EndPath -> "Z"
   where
     serializeArg (a, b, c, d, e, V2 x y) =
-        printf "%g %g %g %g %g %g,%g" a b c (fromEnum d) (fromEnum e) x y
+        printf "%g %g %g %d %d %g,%g" a b c (fromEnum d) (fromEnum e) x y
     serializeArgs = unwords . fmap serializeArg
 
 
diff --git a/svg-tree.cabal b/svg-tree.cabal
--- a/svg-tree.cabal
+++ b/svg-tree.cabal
@@ -1,5 +1,5 @@
 name:                svg-tree
-version:             0.3
+version:             0.3.1
 synopsis:            SVG file loader and serializer
 description:
   svg-tree provides types representing a SVG document,
@@ -29,7 +29,7 @@
 Source-Repository this
     Type:      git
     Location:  git://github.com/Twinside/svg-tree.git
-    Tag:       v0.3
+    Tag:       v0.3.1
 
 library
   hs-source-dirs: src
@@ -58,5 +58,5 @@
                , text       >= 1.2
                , transformers >= 0.3 && < 0.5
                , mtl        >= 2.1 && < 2.3
-               , lens       >= 4.6 && < 4.10
+               , lens       >= 4.6 && < 5