diff --git a/Manatee/Extension/Editor/SourceView.hs b/Manatee/Extension/Editor/SourceView.hs
--- a/Manatee/Extension/Editor/SourceView.hs
+++ b/Manatee/Extension/Editor/SourceView.hs
@@ -470,7 +470,7 @@
       tv = sourceViewView a
   ti <- textViewGetTextIter tv
   (_, lineHeight) <- textViewGetLineYrange tv ti
-  let stepInc = integralToDouble lineHeight
+  let stepInc = i2d lineHeight
   textViewScrollVertical tv sw (if isDown then stepInc else (- stepInc))
   sourceViewApplySelectionMark a
 
diff --git a/manatee-editor.cabal b/manatee-editor.cabal
--- a/manatee-editor.cabal
+++ b/manatee-editor.cabal
@@ -1,5 +1,5 @@
 name:			manatee-editor
-version:		0.0.1
+version:		0.0.2
 Cabal-Version:	>= 1.6
 license:		GPL-3
 license-file:	LICENSE
@@ -19,7 +19,7 @@
   location:     http://patch-tag.com/r/AndyStewart/manatee-editor
   
 Library
-     build-depends: base >= 4 && < 5, manatee-core >= 0.0.1, dbus-client >= 0.3 && < 0.4, stm >= 2.1.2.0,
+     build-depends: base >= 4 && < 5, manatee-core >= 0.0.2, dbus-client >= 0.3 && < 0.4, stm >= 2.1.2.0,
                     containers >= 0.3.0.0, gtk-serialized-event >= 0.12.0, gtk >= 0.12.0, gtksourceview2 >= 0.12.0,
                     text >= 0.7.1.0, bytestring >= 0.9.1.5, dbus-core, regex-tdfa
      exposed-modules: