### Eclipse Workspace Patch 1.0
#P JMapViewer
Index: src/org/openstreetmap/gui/jmapviewer/Coordinate.java
===================================================================
--- src/org/openstreetmap/gui/jmapviewer/Coordinate.java	(revision 36494)
+++ src/org/openstreetmap/gui/jmapviewer/Coordinate.java	(working copy)
@@ -51,13 +51,13 @@
     }
 
     private void writeObject(ObjectOutputStream out) throws IOException {
-        out.writeObject(x);
-        out.writeObject(y);
+        out.writeDouble(x);
+        out.writeDouble(y);
     }
 
     private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
-        x = (Double) in.readObject();
-        y = (Double) in.readObject();
+        x = in.readDouble();
+        y = in.readDouble();
     }
 
     @Override