diff --git a/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs b/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
index ac7d5e5a3ee6d8..f3a8aae9b38fd6 100644
--- a/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
+++ b/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
@@ -424,6 +424,9 @@ private static Version GetICUVersion()
                     MethodInfo methodInfo = interopGlobalization.GetMethod("GetICUVersion", BindingFlags.NonPublic | BindingFlags.Static);
                     if (methodInfo != null)
                     {
+                        // Ensure that ICU has been loaded
+                        GC.KeepAlive(System.Globalization.CultureInfo.InstalledUICulture);
+
                         version = (int)methodInfo.Invoke(null, null);
                     }
                 }