diff --git a/GreenshotPicasaPlugin/GreenshotPicasaPlugin.csproj b/GreenshotPicasaPlugin/GreenshotPicasaPlugin.csproj
index 81326a4d6..d2d91325b 100644
--- a/GreenshotPicasaPlugin/GreenshotPicasaPlugin.csproj
+++ b/GreenshotPicasaPlugin/GreenshotPicasaPlugin.csproj
@@ -79,7 +79,7 @@ copy "$(ProjectDir)bin\$(Configuration)\$(ProjectName).pdb" "$(SolutionDir)bin\$
 mkdir "$(SolutionDir)bin\$(Configuration)\Languages\Plugins\$(ProjectName)"
 copy "$(ProjectDir)Languages\*.xml" "$(SolutionDir)bin\$(Configuration)\Languages\Plugins\$(ProjectName)\"
 </PostBuildEvent>
-    <PreBuildEvent>"$(SolutionDir)tools\TortoiseSVN\SubWCRev.exe" "$(ProjectDir)" "$(ProjectDir)Properties\AssemblyInfo.cs.template" "$(ProjectDir)Properties\AssemblyInfo.cs"
+    <PreBuildEvent>"$(SolutionDir)tools\TortoiseSVN\SubWCRev.exe" "$(ProjectDir)\" "$(ProjectDir)Properties\AssemblyInfo.cs.template" "$(ProjectDir)Properties\AssemblyInfo.cs"
 
 if exist "$(ProjectDir)PicasaCredentials.private.cs" (
    rename "$(ProjectDir)PicasaCredentials.cs" "PicasaCredentials.orig.cs"