Index: /applications/editors/josm/plugins/cadastre-fr/src/cadastre_fr/WMSAdjustAction.java
===================================================================
--- /applications/editors/josm/plugins/cadastre-fr/src/cadastre_fr/WMSAdjustAction.java	(revision 15840)
+++ /applications/editors/josm/plugins/cadastre-fr/src/cadastre_fr/WMSAdjustAction.java	(revision 15841)
@@ -33,5 +33,5 @@
 	public WMSAdjustAction(MapFrame mapFrame) {
 		super(tr("Adjust WMS"), "adjustxywms", 
-						tr("Adjust the position of the WMS layer"), mapFrame, 
+						tr("Adjust the position of the WMS layer (raster images only)"), mapFrame, 
 						ImageProvider.getCursor("normal", "move"));
 	}
@@ -82,5 +82,5 @@
             mode = Mode.moveXY;
         for (Layer layer : Main.map.mapView.getAllLayers()) {
-            if (layer.visible && layer instanceof WMSLayer) {
+            if (layer.visible && layer instanceof WMSLayer && ((WMSLayer)layer).isRaster()) {
                 prevEastNorth = Main.map.mapView.getEastNorth(e.getX(), e.getY());
                 selectedLayer = ((WMSLayer) layer);