diff --git a/modules/openapi-generator/src/main/resources/powershell/api_client.mustache b/modules/openapi-generator/src/main/resources/powershell/api_client.mustache
index a8af6c94f329..be2916809892 100644
--- a/modules/openapi-generator/src/main/resources/powershell/api_client.mustache
+++ b/modules/openapi-generator/src/main/resources/powershell/api_client.mustache
@@ -185,7 +185,7 @@ function DeserializeResponse {
         [string[]]$ContentTypes
     )
 
-    If ([string]::IsNullOrEmpty($ReturnType)) { # void response
+    If ([string]::IsNullOrEmpty($ReturnType) -and $ContentTypes.Count -eq 0) { # void response
         return $Response
     } Elseif ($ReturnType -match '\[\]$') { # array
         return ConvertFrom-Json $Response
diff --git a/samples/client/petstore/powershell/src/PSPetstore/Private/PSApiClient.ps1 b/samples/client/petstore/powershell/src/PSPetstore/Private/PSApiClient.ps1
index 64e1407872c6..b090a4b04213 100644
--- a/samples/client/petstore/powershell/src/PSPetstore/Private/PSApiClient.ps1
+++ b/samples/client/petstore/powershell/src/PSPetstore/Private/PSApiClient.ps1
@@ -172,7 +172,7 @@ function DeserializeResponse {
         [string[]]$ContentTypes
     )
 
-    If ([string]::IsNullOrEmpty($ReturnType)) { # void response
+    If ([string]::IsNullOrEmpty($ReturnType) -and $ContentTypes.Count -eq 0) { # void response
         return $Response
     } Elseif ($ReturnType -match '\[\]$') { # array
         return ConvertFrom-Json $Response