diff --git a/src/Setup/Files.wxs b/src/Setup/Files.wxs
index 04309a21e3..c2181516bd 100644
--- a/src/Setup/Files.wxs
+++ b/src/Setup/Files.wxs
@@ -707,7 +707,7 @@
 								<File Source="..\..\bin\ICSharpCode.Core.Presentation.dll" Name="ICSharpCode.Core.Presentation.dll" Id="ICSharpCode.Core.Presentation.dll" KeyPath="yes" />
 							</Component>
 							<Component Guid="7ACA96F6-7075-405A-B85D-D5930E984B19" Id="ICSharpCodeAvalonEditDll" DiskId="1">
-								<File Source="C:\driveD\SD\4.0\SharpDevelop\bin\ICSharpCode.AvalonEdit.dll" Name="ICSharpCode.AvalonEdit.dll" Id="ICSharpCode.AvalonEdit.dll" KeyPath="yes" />
+								<File Source="..\..\bin\ICSharpCode.AvalonEdit.dll" Name="ICSharpCode.AvalonEdit.dll" Id="ICSharpCode.AvalonEdit.dll" KeyPath="yes" />
 							</Component>
 						</Directory>
 						<Directory Id="DocFolder" Name="doc">