diff --git a/threema-connector/config/persistence.xml b/threema-connector/config/persistence.xml
index 3de1768..d6b96d7 100644
--- a/threema-connector/config/persistence.xml
+++ b/threema-connector/config/persistence.xml
@@ -1,4 +1,2 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.2"
-  xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_2.xsd" />
+<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.2" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_2.xsd"/>