diff --git a/appveyor.yml b/appveyor.yml
index 3064e82ba..2222ebba2 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -90,29 +90,29 @@ build_script:
 - ps: >-
     $version = "1.0.1-" + (Get-Date -Format yyyyMMddHHss)
 
-    msbuild source/Cosmos.Common /t:Restore;Pack /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
+    & msbuild source/Cosmos.Common /t:"Restore;Pack" /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
 
-    msbuild source/Cosmos.Core /t:Restore;Pack /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
+    & msbuild source/Cosmos.Core /t:"Restore;Pack" /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
 
-    msbuild source/Cosmos.Core.Common /t:Restore;Pack /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
+    & msbuild source/Cosmos.Core.Common /t:"Restore;Pack" /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
 
-    msbuild source/Cosmos.Core.Memory /t:Restore;Pack /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
+    & msbuild source/Cosmos.Core.Memory /t:"Restore;Pack" /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
 
-    msbuild source/Cosmos.Core.Plugs /t:Restore;Pack /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
+    & msbuild source/Cosmos.Core.Plugs /t:"Restore;Pack" /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
 
-    msbuild source/Cosmos.Core.Plugs.Asm /t:Restore;Pack /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
+    & msbuild source/Cosmos.Core.Plugs.Asm /t:"Restore;Pack" /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
 
-    msbuild source/Cosmos.Debug.Kernel /t:Restore;Pack /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
+    & msbuild source/Cosmos.Debug.Kernel /t:"Restore;Pack" /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
 
-    msbuild source/Cosmos.Debug.Kernel.Plugs.Asm /t:Restore;Pack /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
+    & msbuild source/Cosmos.Debug.Kernel.Plugs.Asm /t:"Restore;Pack" /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
 
-    msbuild source/Cosmos.HAL /t:Restore;Pack /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
+    & msbuild source/Cosmos.HAL /t:"Restore;Pack" /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
 
-    msbuild source/Cosmos.IL2CPU.Plugs /t:Restore;Pack /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
+    & msbuild source/Cosmos.IL2CPU.Plugs /t:"Restore;Pack" /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
 
-    msbuild source/Cosmos.System /t:Restore;Pack /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
+    & msbuild source/Cosmos.System /t:"Restore;Pack" /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
 
-    msbuild source/Cosmos.System.Plugs /t:Restore;Pack /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
+    & msbuild source/Cosmos.System.Plugs /t:"Restore;Pack" /maxcpucount /p:PackageVersion=$version /p:PackageOutputPath=c:\Cosmos\Build\VSIP\KernelPackages
 
 
 - cmd: >-