diff --git a/build.ps1 b/build.ps1
index 40b4d740..1287451b 100644
--- a/build.ps1
+++ b/build.ps1
@@ -158,14 +158,15 @@ if(-Not $SkipToolPackageRestore.IsPresent) {
     if((!(Test-Path $PACKAGES_CONFIG_MD5)) -Or
       ($md5Hash -ne (Get-Content $PACKAGES_CONFIG_MD5 ))) {
         Write-Verbose -Message "Missing or changed package.config hash..."
-        Remove-Item * -Recurse -Exclude packages.config,nuget.exe
+        Get-ChildItem -Exclude packages.config,nuget.exe,Cake.Bakery |
+        Remove-Item -Recurse
     }
 
     Write-Verbose -Message "Restoring tools from NuGet..."
     $NuGetOutput = Invoke-Expression "&`"$NUGET_EXE`" install -ExcludeVersion -OutputDirectory `"$TOOLS_DIR`""
 
     if ($LASTEXITCODE -ne 0) {
-        Throw "An error occured while restoring NuGet tools."
+        Throw "An error occurred while restoring NuGet tools."
     }
     else
     {
@@ -185,7 +186,7 @@ if (Test-Path $ADDINS_PACKAGES_CONFIG) {
     $NuGetOutput = Invoke-Expression "&`"$NUGET_EXE`" install -ExcludeVersion -OutputDirectory `"$ADDINS_DIR`""
 
     if ($LASTEXITCODE -ne 0) {
-        Throw "An error occured while restoring NuGet addins."
+        Throw "An error occurred while restoring NuGet addins."
     }
 
     Write-Verbose -Message ($NuGetOutput | out-string)
@@ -202,7 +203,7 @@ if (Test-Path $MODULES_PACKAGES_CONFIG) {
     $NuGetOutput = Invoke-Expression "&`"$NUGET_EXE`" install -ExcludeVersion -OutputDirectory `"$MODULES_DIR`""
 
     if ($LASTEXITCODE -ne 0) {
-        Throw "An error occured while restoring NuGet modules."
+        Throw "An error occurred while restoring NuGet modules."
     }
 
     Write-Verbose -Message ($NuGetOutput | out-string)
@@ -231,4 +232,4 @@ $cakeArguments += $ScriptArgs
 # Start Cake
 Write-Host "Running build script..."
 &$CAKE_EXE $cakeArguments
-exit $LASTEXITCODE
+exit $LASTEXITCODE
\ No newline at end of file