diff --git a/tests/hostside/java/com/android/microdroid/test/MicrodroidHostTests.java b/tests/hostside/java/com/android/microdroid/test/MicrodroidHostTests.java
index 8e12114..692b1b8 100644
--- a/tests/hostside/java/com/android/microdroid/test/MicrodroidHostTests.java
+++ b/tests/hostside/java/com/android/microdroid/test/MicrodroidHostTests.java
@@ -190,7 +190,7 @@
         long start = System.currentTimeMillis();
         while ((System.currentTimeMillis() - start < timeoutMillis)
                 && !matcher.matches(callable.call())) {
-            Thread.sleep(500);
+            RunUtil.getDefault().sleep(500);
         }
         assertThat(callable.call(), matcher);
     }