diff --git a/history/provinces/e_zapadoslavia.txt b/history/provinces/e_zapadoslavia.txt
index bbeef8bf..179080f8 100644
--- a/history/provinces/e_zapadoslavia.txt
+++ b/history/provinces/e_zapadoslavia.txt
@@ -649,6 +649,8 @@
 	}
 }
 3219 = {	# Kętrzyn
+	culture = NEOW_pribaltic
+	religion = mariavite
 	holding = city_holding
 }
 157 = {		# Gołdap