diff --git a/.azure-pipelines/sign-tool-predictor.yml b/.azure-pipelines/sign-tool-predictor.yml
index e980c5b8f550..4243cabf1178 100644
--- a/.azure-pipelines/sign-tool-predictor.yml
+++ b/.azure-pipelines/sign-tool-predictor.yml
@@ -41,7 +41,7 @@ steps:
   inputs:
     command: custom
     custom: msbuild
-    arguments: 'tools\Az.Tools.Predictor\build.proj /target:"Clean;Build;GenerateHelp" /p:Configuration=Release'
+    arguments: 'tools\Az.Tools.Predictor\build.proj /target:"Clean;Build;GenerateHelp" /p:Configuration=Release /p:PowerShellCoreCommandPrefix="$(Pipeline.Workspace)\\PowerShell-7.2.0-preview.3\\pwsh.exe -NonInteractive -NoLogo -NoProfile -Command"'
 
 - task: UseDotNet@2
   displayName: 'Install DotNet 2.1 Runtime for Signing'