diff --git a/test/lib/jdk/test/lib/Platform.java b/test/lib/jdk/test/lib/Platform.java
index ff7f88d72d7..3983ac6327a 100644
--- a/test/lib/jdk/test/lib/Platform.java
+++ b/test/lib/jdk/test/lib/Platform.java
@@ -79,7 +79,7 @@ public class Platform {
     }
 
     public static boolean isTieredSupported() {
-        return compiler.contains("Tiered Compilers");
+        return (compiler != null) && compiler.contains("Tiered Compilers");
     }
 
     public static boolean isInt() {