diff --git a/src/GitVersion.BuildAgents/Agents/AzurePipelines.cs b/src/GitVersion.BuildAgents/Agents/AzurePipelines.cs
index 4b4b1ed87a..0978007fde 100644
--- a/src/GitVersion.BuildAgents/Agents/AzurePipelines.cs
+++ b/src/GitVersion.BuildAgents/Agents/AzurePipelines.cs
@@ -17,7 +17,8 @@ public override string[] GenerateSetParameterMessage(string name, string? value)
         $"##vso[task.setvariable variable=GitVersion.{name};isOutput=true]{value}"
     ];
 
-    public override string? GetCurrentBranch(bool usingDynamicRepos) => Environment.GetEnvironmentVariable("BUILD_SOURCEBRANCH");
+    public override string? GetCurrentBranch(bool usingDynamicRepos) => Environment.GetEnvironmentVariable("GIT_BRANCH")
+        ?? Environment.GetEnvironmentVariable("BUILD_SOURCEBRANCH");
 
     public override bool PreventFetch() => true;