diff --git a/appveyor.yml b/appveyor.yml
index 9f937bc8a7..6e57db92bf 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -20,6 +20,8 @@ before_deploy:
   - cp OpenRA.Game/OpenRA.ico .
   - appveyor DownloadFile "http://downloads.sourceforge.net/project/nsis/NSIS 2/2.46/nsis-2.46-setup.exe" -FileName nsissetup.exe
   - nsissetup /S /D=%NSIS_ROOT%
+  - appveyor DownloadFile "http://nsis.sourceforge.net/mediawiki/images/archive/1/18/20140806212030!NsProcess.zip" -FileName NsProcess.zip
+  - 7z e NsProcess.zip -o%NSIS_ROOT%
   - appveyor DownloadFile "https://raw.githubusercontent.com/wiki/OpenRA/OpenRA/Changelog.md" -FileName Changelog.md
   - '%NSIS_ROOT%\makensis /DSRCDIR="%APPVEYOR_BUILD_FOLDER%" /DDEPSDIR="%APPVEYOR_BUILD_FOLDER%\thirdparty\windows" /V3 packaging/windows/OpenRA.nsi'
   - appveyor PushArtifact packaging/windows/OpenRA.Setup.exe -FileName OpenRA-%APPVEYOR_REPO_TAG_NAME%.exe
diff --git a/packaging/windows/OpenRA.nsi b/packaging/windows/OpenRA.nsi
index 9e1219484a..508aa2ed9e 100644
--- a/packaging/windows/OpenRA.nsi
+++ b/packaging/windows/OpenRA.nsi
@@ -229,17 +229,17 @@ FunctionEnd
 !insertmacro Clean "un."
 
 Section "Uninstall"
-	${nsProcess::FindProcess} "OpenRa.Game.exe" $R0
+	${nsProcess::FindProcess} "OpenRA.Game.exe" $R0
 	IntCmp $R0 0 gameRunning
-	${nsProcess::FindProcess} "OpenRa.exe" $R0
+	${nsProcess::FindProcess} "OpenRA.exe" $R0
 	IntCmp $R0 0 gameRunning
-	${nsProcess::FindProcess} "OpenRa.Editor.exe" $R0
+	${nsProcess::FindProcess} "OpenRA.Editor.exe" $R0
 	IntCmp $R0 0 gameRunning
 	${nsProcess::Unload}
 	Call un.Clean
 	Goto end
 	gameRunning:
-		MessageBox MB_OK|MB_ICONEXCLAMATION "OpenRa is running. Please close it first" /SD IDOK
+		MessageBox MB_OK|MB_ICONEXCLAMATION "OpenRA is running. Please close it first" /SD IDOK
 		abort
 	end:
 SectionEnd