diff --git a/eng/common/pipelines/templates/archetype-typespec-emitter.yml b/eng/common/pipelines/templates/archetype-typespec-emitter.yml
index c359c3b1ae..5992e40df3 100644
--- a/eng/common/pipelines/templates/archetype-typespec-emitter.yml
+++ b/eng/common/pipelines/templates/archetype-typespec-emitter.yml
@@ -259,27 +259,38 @@ extends:
             displayName: Download pipeline artifacts
 
           - pwsh: |
-              npm install -g @azure-tools/typespec-client-generator-cli@latest
+              npm ci
             displayName: Install tsp-client
+            workingDirectory: $(Build.SourcesDirectory)/eng/common/tsp-client
+
+          - pwsh: |
+              # Resolve EmitterPackageJsonOutputPath to absolute path if it's relative
+              $emitterPath = '${{ parameters.EmitterPackageJsonOutputPath }}'
+              if (-not [System.IO.Path]::IsPathRooted($emitterPath)) {
+                $emitterPath = Join-Path '$(Build.SourcesDirectory)' $emitterPath
+              }
+              Write-Host "##vso[task.setvariable variable=ResolvedEmitterPath]$emitterPath"
+            displayName: Resolve emitter package path
+            workingDirectory: $(Build.SourcesDirectory)
 
           - pwsh: |
               Write-Host "Overrides location: $(buildArtifactsPath)/packages/overrides.json"
+              Write-Host "Resolved emitter package path: $(ResolvedEmitterPath)"
 
               if (Test-Path -Path '$(buildArtifactsPath)/packages/overrides.json') {
                 Write-Host "Using overrides.json to generate emitter-package.json"
-                tsp-client generate-config-files `
-                --package-json '$(buildArtifactsPath)/lock-files/package.json' `
-                --emitter-package-json-path '${{ parameters.EmitterPackageJsonOutputPath }}' `
-                --overrides '$(buildArtifactsPath)/packages/overrides.json'
+                npm exec --no -- tsp-client generate-config-files `
+                  --package-json '$(buildArtifactsPath)/lock-files/package.json' `
+                  --emitter-package-json-path '$(ResolvedEmitterPath)' `
+                  --overrides '$(buildArtifactsPath)/packages/overrides.json'
               } else {
                 Write-Host "No overrides.json found. Running tsp-client without overrides."
-
-                tsp-client generate-config-files `
-                --package-json '$(buildArtifactsPath)/lock-files/package.json' `
-                --emitter-package-json-path '${{ parameters.EmitterPackageJsonOutputPath }}'
+                npm exec --no -- tsp-client generate-config-files `
+                  --package-json '$(buildArtifactsPath)/lock-files/package.json' `
+                  --emitter-package-json-path '$(ResolvedEmitterPath)'
               }
             displayName: Generate emitter-package.json and emitter-package-lock files
-            workingDirectory: $(Build.SourcesDirectory)
+            workingDirectory: $(Build.SourcesDirectory)/eng/common/tsp-client
 
           - ${{ parameters.InitializationSteps }}