diff --git a/.pipelines/policy.yml b/.pipelines/policy.yml
index 53a7c329..ab3a346e 100644
--- a/.pipelines/policy.yml
+++ b/.pipelines/policy.yml
@@ -126,4 +126,3 @@ stages:
         deployOperation: ${{ variables['deployOperation'] }}
         policyAssignmentManagementGroupScope: $(var-topLevelManagementGroupName)
         workingDir: $(System.DefaultWorkingDirectory)/policy/builtin/assignments
-
diff --git a/.pipelines/templates/steps/assign-policy.yml b/.pipelines/templates/steps/assign-policy.yml
index db0ab333..91f8c484 100644
--- a/.pipelines/templates/steps/assign-policy.yml
+++ b/.pipelines/templates/steps/assign-policy.yml
@@ -35,9 +35,18 @@ steps:
       inlineScript: |
         $(var-bashPreInjectScript)
 
-        echo "Populating templated parameters in ${{ policy }}.parameters.json"
+        parameterFileName=''
 
-        cp ${{ policy }}.parameters.json ${{ policy }}.populated.parameters.json
+        if [ -f '${{ policy }}-${{ parameters.policyAssignmentManagementGroupScope }}.parameters.json' ]
+        then
+          parameterFileName='${{ policy }}-${{ parameters.policyAssignmentManagementGroupScope }}.parameters.json'
+        else
+          parameterFileName='${{ policy }}.parameters.json'
+        fi
+
+        echo "Populating templated parameters: $parameterFileName"
+
+        cp $parameterFileName ${{ policy }}.populated.parameters.json
 
         sed -i 's~{{var-topLevelManagementGroupName}}~$(var-topLevelManagementGroupName)~g' ${{ policy }}.populated.parameters.json