diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 2813091..251ce74 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -11,7 +11,7 @@ spring.mvc.locale=de_DE
 spring.jackson.time-zone=Europe/Berlin
 
 # Logging: SLF4J (via Lombok)
-logging.file=log/mailservice.log
+logging.file.name=log/mailservice.log
 
 # Caritas url, imprint, etc.
 caritas.base.url=https://www.caritas.de