diff --git a/src/functions/Chocolatey-Pack.ps1 b/src/functions/Chocolatey-Pack.ps1
index c697443..78ee7ab 100644
--- a/src/functions/Chocolatey-Pack.ps1
+++ b/src/functions/Chocolatey-Pack.ps1
@@ -10,7 +10,8 @@ param(
 
   Write-Host "Calling `'$nugetExe $packageArgs`'."
 
-  Start-Process $nugetExe -ArgumentList $packageArgs -NoNewWindow -Wait -RedirectStandardOutput $logFile -RedirectStandardError $errorLogFile
+  $process = Start-Process $nugetExe -ArgumentList $packageArgs -NoNewWindow -Wait -RedirectStandardOutput $logFile -RedirectStandardError $errorLogFile -PassThru
+  if ($host.Version.Major -ge 3) { Wait-Process -InputObject $process }
 
   $nugetOutput = Get-Content $logFile -Encoding Ascii
   foreach ($line in $nugetOutput) {
diff --git a/src/functions/Chocolatey-Push.ps1 b/src/functions/Chocolatey-Push.ps1
index 3873515..616cabd 100644
--- a/src/functions/Chocolatey-Push.ps1
+++ b/src/functions/Chocolatey-Push.ps1
@@ -17,7 +17,8 @@ param(
 
   Write-Host "Calling `'$nugetExe $packageArgs`'. This may take a few minutes. Please wait for the command to finish."  -ForegroundColor $Note -BackgroundColor Black
 
-  Start-Process $nugetExe -ArgumentList $packageArgs -NoNewWindow -Wait -RedirectStandardOutput $logFile -RedirectStandardError $errorLogFile
+  $process = Start-Process $nugetExe -ArgumentList $packageArgs -NoNewWindow -Wait -RedirectStandardOutput $logFile -RedirectStandardError $errorLogFile -PassThru
+  if ($host.Version.Major -ge 3) { Wait-Process -InputObject $process }
 
   $nugetOutput = Get-Content $logFile -Encoding Ascii
   foreach ($line in $nugetOutput) {
diff --git a/src/functions/Chocolatey-Python.ps1 b/src/functions/Chocolatey-Python.ps1
index b166404..fd1ea07 100644
--- a/src/functions/Chocolatey-Python.ps1
+++ b/src/functions/Chocolatey-Python.ps1
@@ -36,8 +36,9 @@ param(
   #& cmd.exe $packagesArgs | Tee-Object -FilePath $chocoInstallLog
 
   Write-Host "Opening minimized PowerShell window and calling `'cmd.exe $packageArgs`'. If progress is taking a long time, please check that window. It also may not be 100% silent..." -ForegroundColor $Warning -BackgroundColor Black
-  Start-Process -FilePath "$($env:windir)\System32\WindowsPowerShell\v1.0\powershell.exe" -ArgumentList "-NoProfile -ExecutionPolicy unrestricted -Command `"cmd.exe $packageArgs | Tee-Object -FilePath `'$chocoInstallLog`'`"" -Wait -WindowStyle Minimized
-  
+  $process = Start-Process -FilePath "$($env:windir)\System32\WindowsPowerShell\v1.0\powershell.exe" -ArgumentList "-NoProfile -ExecutionPolicy unrestricted -Command `"cmd.exe $packageArgs | Tee-Object -FilePath `'$chocoInstallLog`'`"" -Wait -WindowStyle Minimized -PassThru
+  if ($host.Version.Major -ge 3) { Wait-Process -InputObject $process }
+
   Create-InstallLogIfNotExists $chocoInstallLog
   $installOutput = Get-Content $chocoInstallLog -Encoding Ascii
   foreach ($line in $installOutput) {
diff --git a/src/helpers/functions/Get-CheckSumValid.ps1 b/src/helpers/functions/Get-CheckSumValid.ps1
index 3bfc9ac..f9cc810 100644
--- a/src/helpers/functions/Get-CheckSumValid.ps1
+++ b/src/helpers/functions/Get-CheckSumValid.ps1
@@ -20,6 +20,7 @@ param(
 
   Write-Debug "Calling command [`'$checksumExe`' -c$checksum `"$file`"] to retrieve checksum"
   $process = Start-Process "$checksumExe" -ArgumentList " -c=`"$checksum`" -t=`"$checksumType`" -f=`"$file`"" -Wait -WindowStyle Hidden -PassThru
+  if ($host.Version.Major -ge 3) { Wait-Process -InputObject $process }
 
   Write-Debug "`'$checksumExe`' exited with $($process.ExitCode)"
 
diff --git a/src/helpers/functions/Get-ChocolateyUnzip.ps1 b/src/helpers/functions/Get-ChocolateyUnzip.ps1
index 2b6263d..e1662af 100644
--- a/src/helpers/functions/Get-ChocolateyUnzip.ps1
+++ b/src/helpers/functions/Get-ChocolateyUnzip.ps1
@@ -80,7 +80,7 @@ param(
   $unzipOps = {
     param($7zip, $destination, $fileFullPath, [ref]$exitCodeRef)
     $p = Start-Process $7zip -ArgumentList "x -o`"$destination`" -y `"$fileFullPath`"" -Wait -WindowStyle Hidden -PassThru
-    Wait-Process -InputObject $p
+    if ($host.Version.Major -ge 3) { Wait-Process -InputObject $p }
     $exitCodeRef.Value = $p.ExitCode
   }