--- a/backend/src/main/java/org/dive4elements/river/importer/ImportRange.java	Fri Feb 25 17:17:56 2022 +0100
+++ b/backend/src/main/java/org/dive4elements/river/importer/ImportRange.java	Wed Mar 02 10:26:50 2022 +0100
@@ -13,14 +13,15 @@
 
 import java.math.BigDecimal;
 
-import org.apache.log4j.Logger;
+import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
 
 /** A range that is about to be imported. */
 public class ImportRange
 implements   Comparable<ImportRange>
 {
     /** Private log. */
-    private static Logger log = Logger.getLogger(ImportRange.class);
+    private static Logger log = LogManager.getLogger(ImportRange.class);
 
     protected BigDecimal a;
     protected BigDecimal b;