diff --git a/.azure/pipelines/update-pipeline-variable.yml b/.azure/pipelines/update-pipeline-variable.yml
index 597ca0c8..aba3394e 100644
--- a/.azure/pipelines/update-pipeline-variable.yml
+++ b/.azure/pipelines/update-pipeline-variable.yml
@@ -30,13 +30,13 @@ steps:
       [Net.ServicePointManager]::SecurityProtocol = "Tls12, Tls13"
 
       # Get an overview of the build definition
-      $definitionUrl = "$CollectionUri/$repositoryName/_apis/build/Definitions/$($definitionId)?api-version=5.0"
+      $definitionUrl = "$CollectionUri/$ProjectName/_apis/build/Definitions/$($DefinitionId)?api-version=5.0"
       $definitionResponse = Invoke-RestMethod -Method Get -Uri $definitionUrl -Headers $headers -UseBasicParsing
 
       # If the build has the variable, update it.
       if ($definitionResponse.variables.$VariableName) {
-        $oldValue = $definitionResponse.variables.$variableName.value
-        $definitionResponse.variables.$variableName.value = $VariableValue
+        $oldValue = $definitionResponse.variables.$VariableName.value
+        $definitionResponse.variables.$VariableName.value = $VariableValue
 
         Write-Output -InputObject "Updating $VariableName from $($oldValue) to $($VariableValue)..."