diff --git a/test/004-StackWalk/src/Main.java b/test/004-StackWalk/src/Main.java
index 072b1d0..883ce2c 100644
--- a/test/004-StackWalk/src/Main.java
+++ b/test/004-StackWalk/src/Main.java
@@ -2,14 +2,14 @@
   public Main() {
   }
 
-  boolean doThrow = false;
-
   int $noinline$f() throws Exception {
     g(1);
     g(2);
 
-    // This currently defeats inlining of `f`.
-    if (doThrow) { throw new Error(); }
+    // This loop currently defeats inlining of `f`.
+    for (int i = 0; i < 10; i++) {
+      Thread.sleep(0);
+    }
     return 0;
   }