diff --git a/OptimizelySDK/Config/PollingProjectConfigManager.cs b/OptimizelySDK/Config/PollingProjectConfigManager.cs
index 1b8ebcf2..12dacff7 100644
--- a/OptimizelySDK/Config/PollingProjectConfigManager.cs
+++ b/OptimizelySDK/Config/PollingProjectConfigManager.cs
@@ -65,7 +65,7 @@ public PollingProjectConfigManager(TimeSpan period, TimeSpan blockingTimeout,
             Logger = logger;
             ErrorHandler = errorHandler;
             BlockingTimeout = blockingTimeout;
-            if (period.Seconds < 30)
+            if (period.TotalSeconds < 30)
             {
                 Logger?.Log(LogLevel.WARN, "Polling intervals below 30 seconds are not recommended.");
             }