Index: /trunk/src/org/openstreetmap/josm/gui/layer/geoimage/GeoImageLayer.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/layer/geoimage/GeoImageLayer.java	(revision 18796)
+++ /trunk/src/org/openstreetmap/josm/gui/layer/geoimage/GeoImageLayer.java	(revision 18797)
@@ -962,4 +962,6 @@
     @Override
     public void imageDataUpdated(ImageData data) {
+        this.gpxFauxLayer = null;
+        this.gpxFauxData = null;
         updateBufferAndRepaint();
     }