diff --git a/scripts/build-arch.bat b/scripts/build-arch.bat
index 3e1667e5..f0c7dd31 100644
--- a/scripts/build-arch.bat
+++ b/scripts/build-arch.bat
@@ -27,7 +27,7 @@ if /I "%BUILD_CONFIG%"=="debug" (
             )
 
             if not defined SIGNTOOL_PARAMS (
-                echo "A signtool parameter string must be specified in SIGNTOOL_PARAMS for signed release builds"
+                echo A signtool parameter string must be specified in SIGNTOOL_PARAMS for signed release builds
                 exit /b 1
             )
 
@@ -280,7 +280,7 @@ if "%SIGN%"=="1" (
     for /r "%DEPLOY_FOLDER%" %%f in (*.dll *.exe) do (
         set FILES_TO_SIGN=!FILES_TO_SIGN! %%f
     )
-    signtool %SIGNTOOL_PARAMS% !FILES_TO_SIGN!
+    signtool sign %SIGNTOOL_PARAMS% !FILES_TO_SIGN!
     if !ERRORLEVEL! NEQ 0 goto Error
 )
 
diff --git a/scripts/generate-bundle.bat b/scripts/generate-bundle.bat
index 16bb575d..3e685e33 100644
--- a/scripts/generate-bundle.bat
+++ b/scripts/generate-bundle.bat
@@ -27,7 +27,7 @@ if /I "%BUILD_CONFIG%"=="debug" (
             )
 
             if not defined SIGNTOOL_PARAMS (
-                echo "A signtool parameter string must be specified in SIGNTOOL_PARAMS for signed release builds"
+                echo A signtool parameter string must be specified in SIGNTOOL_PARAMS for signed release builds
                 exit /b 1
             )
         ) else (
diff --git a/wix/MoonlightSetup/MoonlightSetup.wixproj b/wix/MoonlightSetup/MoonlightSetup.wixproj
index 796ee5b0..3ae89827 100644
--- a/wix/MoonlightSetup/MoonlightSetup.wixproj
+++ b/wix/MoonlightSetup/MoonlightSetup.wixproj
@@ -16,10 +16,10 @@
     <SignOutput>true</SignOutput>
   </PropertyGroup>
   <Target Name="SignBundleEngine">
-    <Exec Command='signtool.exe $(SIGNTOOL_PARAMS) %(SignBundleEngine.FullPath)' />
+    <Exec Command='signtool.exe sign $(SIGNTOOL_PARAMS) %(SignBundleEngine.FullPath)' />
   </Target>
   <Target Name="SignBundle">
-    <Exec Command='signtool.exe $(SIGNTOOL_PARAMS) %(SignBundle.FullPath)' />
+    <Exec Command='signtool.exe sign $(SIGNTOOL_PARAMS) %(SignBundle.FullPath)' />
   </Target>
   <ItemGroup>
     <PackageReference Include="WixToolset.Bal.wixext" Version="7.0.0" />