diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/idlenotifier/IdleNotifierPlugin.java b/runelite-client/src/main/java/net/runelite/client/plugins/idlenotifier/IdleNotifierPlugin.java
index 325d23c353..f198417d33 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/idlenotifier/IdleNotifierPlugin.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/idlenotifier/IdleNotifierPlugin.java
@@ -409,6 +409,11 @@ public class IdleNotifierPlugin extends Plugin
 
 	private boolean check6hrLogout()
 	{
+		if (sixHourWarningTime == null)
+		{
+			return false;
+		}
+
 		if (Instant.now().compareTo(sixHourWarningTime) >= 0)
 		{
 			if (notify6HourLogout)