diff --git a/update_manager/real_updater_provider.cc b/update_manager/real_updater_provider.cc
index 268f3bb..8465718 100644
--- a/update_manager/real_updater_provider.cc
+++ b/update_manager/real_updater_provider.cc
@@ -460,7 +460,7 @@
     if (prefs_ && prefs_->Exists(key) && prefs_->GetInt64(key, &result)) {
       // This specific value is used for testing only. So it should not be kept
       // around and should be deleted after a few reads.
-      if (++read_count_ > 2)
+      if (++read_count_ > 5)
         prefs_->Delete(key);
 
       // Limit the timeout interval to 10 minutes so it is not abused if it is
diff --git a/update_manager/real_updater_provider_unittest.cc b/update_manager/real_updater_provider_unittest.cc
index e31f6f3..f0804c4 100644
--- a/update_manager/real_updater_provider_unittest.cc
+++ b/update_manager/real_updater_provider_unittest.cc
@@ -458,15 +458,14 @@
   // Make sure the value does not exceed a threshold of 10 minutes.
   fake_prefs_.SetInt64(
       chromeos_update_engine::kPrefsTestUpdateCheckIntervalTimeout, 11 * 60);
-  UmTestUtils::ExpectVariableHasValue(
-      static_cast<int64_t>(10 * 60),
-      provider_->var_test_update_check_interval_timeout());
-  UmTestUtils::ExpectVariableHasValue(
-      static_cast<int64_t>(10 * 60),
-      provider_->var_test_update_check_interval_timeout());
+  // The next 5 reads should return valid values.
+  for (int i = 0; i < 5; ++i)
+    UmTestUtils::ExpectVariableHasValue(
+        static_cast<int64_t>(10 * 60),
+        provider_->var_test_update_check_interval_timeout());
 
   // Just to make sure it is not cached anywhere and deleted. The variable is
-  // allowd to be read 3 times.
+  // allowd to be read 6 times.
   UmTestUtils::ExpectVariableNotSet(
       provider_->var_test_update_check_interval_timeout());
 }