diff --git a/changelogs/fragments/validate-module-ps-cmdlet.yml b/changelogs/fragments/validate-module-ps-cmdlet.yml
new file mode 100644
index 00000000000..5ae24bc5699
--- /dev/null
+++ b/changelogs/fragments/validate-module-ps-cmdlet.yml
@@ -0,0 +1,2 @@
+bugfixes:
+- ansible-test - Fix validate-modules error when retrieving PowerShell argspec when retrieved inside a Cmdlet
diff --git a/test/lib/ansible_test/_util/controller/sanity/validate-modules/validate_modules/ps_argspec.ps1 b/test/lib/ansible_test/_util/controller/sanity/validate-modules/validate_modules/ps_argspec.ps1
index fb4a61740a6..adad692a7de 100644
--- a/test/lib/ansible_test/_util/controller/sanity/validate-modules/validate_modules/ps_argspec.ps1
+++ b/test/lib/ansible_test/_util/controller/sanity/validate-modules/validate_modules/ps_argspec.ps1
@@ -97,13 +97,21 @@ Add-CSharpType -References @(Get-Content -LiteralPath $manifest.ansible_basic -R
 
 $powershell.AddScript($module_code) > $null
 $powershell.Invoke() > $null
+$arg_spec = $powershell.Runspace.SessionStateProxy.GetVariable('ansibleTestArgSpec')
+
+if (-not $arg_spec) {
+    $err = $powershell.Streams.Error
+    if ($err) {
+        $err
+    }
+    else {
+        "Unknown error trying to get PowerShell arg spec"
+    }
 
-if ($powershell.HadErrors) {
-    $powershell.Streams.Error
     exit 1
 }
 
-$arg_spec = $powershell.Runspace.SessionStateProxy.GetVariable('ansibleTestArgSpec')
+
 Resolve-CircularReference -Hash $arg_spec
 
 ConvertTo-Json -InputObject $arg_spec -Compress -Depth 99