diff --git a/src/Xamarin.Android.Tools.AndroidSdk/Sdks/AndroidSdkBase.cs b/src/Xamarin.Android.Tools.AndroidSdk/Sdks/AndroidSdkBase.cs
index 59fc390b..3e60383b 100644
--- a/src/Xamarin.Android.Tools.AndroidSdk/Sdks/AndroidSdkBase.cs
+++ b/src/Xamarin.Android.Tools.AndroidSdk/Sdks/AndroidSdkBase.cs
@@ -138,7 +138,7 @@ public virtual void Initialize (string? androidSdkPath = null, string? androidNd
 		protected IEnumerable<string> GetSdkFromEnvironmentVariables ()
 		{
 			foreach (string envVar in AndroidSdkEnvVars) {
-				string ev = Environment.GetEnvironmentVariable (envVar);
+				var ev = Environment.GetEnvironmentVariable (envVar);
 				if (String.IsNullOrEmpty (ev)) {
 					continue;
 				}