diff --git a/libresonic-main/src/main/java/org/libresonic/player/util/Util.java b/libresonic-main/src/main/java/org/libresonic/player/util/Util.java
index 7912afa5..9c8a6793 100644
--- a/libresonic-main/src/main/java/org/libresonic/player/util/Util.java
+++ b/libresonic-main/src/main/java/org/libresonic/player/util/Util.java
@@ -19,6 +19,8 @@
  */
 package org.libresonic.player.util;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;