--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/uinfo/salix/SalixLineAccess.java	Wed Jul 04 12:00:57 2018 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/uinfo/salix/SalixLineAccess.java	Wed Jul 04 13:06:28 2018 +0200
@@ -51,11 +51,11 @@
         return null;
     }
 
-    public double getFromPart() {
-        return super.getDouble("ld_from_part");
+    public Double getFromPart() {
+        return getDouble("ld_from_part");
     }
 
-    public double getToPart() {
-        return super.getDouble("ld_to_part");
+    public Double getToPart() {
+        return getDouble("ld_to_part");
     }
 }
\ No newline at end of file