diff --git a/references.xml b/references.xml
index 1dd01c2..356fa33 100644
--- a/references.xml
+++ b/references.xml
@@ -183,7 +183,7 @@
 			<locationDef index="4" name="Mitau" ref="https://www.geonames.org/459279"/>
 			<locationDef index="5" name="Kegeln" ref="https://www.geonames.org/458836"/>
 			<locationDef index="6" name="Riga" ref="https://www.geonames.org/456172"/>
-			<locationDef index="7" name="Grünhof" ref="https://www.geonames.org/7639660"/>
+			<locationDef index="7" name="Grünhof" ref="https://www.geonames.org/453987"/>
 			<locationDef index="8" name="Meyhof" ref="https://www.geonames.org/459279"/>
 			<locationDef index="10" name="London" ref="https://www.geonames.org/2643743"/>
 			<locationDef index="11" name="Berenshof" ref="https://www.geonames.org/456172"/>