diff --git a/ImperatorToCK3/Imperator/Provinces/ProvinceFactory.cs b/ImperatorToCK3/Imperator/Provinces/ProvinceFactory.cs
index cdcc0bc1e..f1c1531b6 100644
--- a/ImperatorToCK3/Imperator/Provinces/ProvinceFactory.cs
+++ b/ImperatorToCK3/Imperator/Provinces/ProvinceFactory.cs
@@ -79,7 +79,11 @@ public static Province Parse(BufferedReader reader, ulong provinceId, StateColle
 		provinceParser.ParseStream(reader);
 
 		if (parsedStateId is not null) {
-			parsedProvince.State = states[parsedStateId.Value];
+			if (!states.TryGetValue(parsedStateId.Value, out var state)) {
+				Logger.Warn($"Province {parsedProvince.Id} has state ID {parsedStateId}, but no such state has been loaded!");
+			} else {
+				parsedProvince.State = state;
+			}
 		}
 
 		parsedProvince.TryLinkOwnerCountry(parsedOwnerId, countries);