diff --git a/oeffi/src/de/schildbach/oeffi/plans/PlanActivity.java b/oeffi/src/de/schildbach/oeffi/plans/PlanActivity.java
index 2c99173..64b132d 100644
--- a/oeffi/src/de/schildbach/oeffi/plans/PlanActivity.java
+++ b/oeffi/src/de/schildbach/oeffi/plans/PlanActivity.java
@@ -337,6 +337,9 @@ public class PlanActivity extends Activity {
             layoutParams.x = coords[0];
             layoutParams.y = coords[1];
             bubble.requestLayout();
+            bubble.setEnabled(selection.location.hasId());
+        } else {
+            bubble.setEnabled(false);
         }
     }