diff --git a/src/VisualStudio/Core/Test.Next/Services/PerformanceTrackerServiceTests.cs b/src/VisualStudio/Core/Test.Next/Services/PerformanceTrackerServiceTests.cs
index fd9e875a9a490..3f8f5436b70a4 100644
--- a/src/VisualStudio/Core/Test.Next/Services/PerformanceTrackerServiceTests.cs
+++ b/src/VisualStudio/Core/Test.Next/Services/PerformanceTrackerServiceTests.cs
@@ -133,7 +133,7 @@ private IEnumerable<AnalyzerPerformanceInfo> CreateSnapshots(Dictionary<string,
                 for (var j = 0; j < data.Length; j++)
                 {
                     double result;
-                    if (!double.TryParse(data[j], NumberStyles.Float | NumberStyles.AllowThousands, EnsureEnglishUICulture.PreferredOrNull, out result))
+                    if (!double.TryParse(data[j], NumberStyles.Float | NumberStyles.AllowThousands, CultureInfo.InvariantCulture, out result))
                     {
                         // no data for this analyzer for this particular run
                         result = double.NaN;