diff --git a/extensions/binding/org.eclipse.smarthome.binding.astro/ESH-INF/thing/moon.xml b/extensions/binding/org.eclipse.smarthome.binding.astro/ESH-INF/thing/moon.xml
index 49a0e1919ef..40817971de9 100644
--- a/extensions/binding/org.eclipse.smarthome.binding.astro/ESH-INF/thing/moon.xml
+++ b/extensions/binding/org.eclipse.smarthome.binding.astro/ESH-INF/thing/moon.xml
@@ -26,6 +26,9 @@
 			<channel-group id="position" typeId="position" />
 			<channel-group id="zodiac" typeId="moonZodiac" />
 		</channel-groups>
+
+		<representation-property>geolocation</representation-property>
+
 		<config-description-ref uri="thing-type:astro:config" />
 	</thing-type>
 
diff --git a/extensions/binding/org.eclipse.smarthome.binding.astro/ESH-INF/thing/sun.xml b/extensions/binding/org.eclipse.smarthome.binding.astro/ESH-INF/thing/sun.xml
index bd02641f351..e419a04b4a5 100644
--- a/extensions/binding/org.eclipse.smarthome.binding.astro/ESH-INF/thing/sun.xml
+++ b/extensions/binding/org.eclipse.smarthome.binding.astro/ESH-INF/thing/sun.xml
@@ -54,6 +54,9 @@
 			<channel-group id="eclipse" typeId="sunEclipse" />
 			<channel-group id="phase" typeId="sunPhase" />
 		</channel-groups>
+
+		<representation-property>geolocation</representation-property>
+
 		<config-description-ref uri="thing-type:astro:config" />
 	</thing-type>
 
diff --git a/extensions/binding/org.eclipse.smarthome.binding.astro/src/main/java/org/eclipse/smarthome/binding/astro/internal/discovery/AstroDiscoveryService.java b/extensions/binding/org.eclipse.smarthome.binding.astro/src/main/java/org/eclipse/smarthome/binding/astro/internal/discovery/AstroDiscoveryService.java
index 493e50d9605..28479f82dd0 100644
--- a/extensions/binding/org.eclipse.smarthome.binding.astro/src/main/java/org/eclipse/smarthome/binding/astro/internal/discovery/AstroDiscoveryService.java
+++ b/extensions/binding/org.eclipse.smarthome.binding.astro/src/main/java/org/eclipse/smarthome/binding/astro/internal/discovery/AstroDiscoveryService.java
@@ -117,9 +117,9 @@ public void createResults(PointType location) {
             propGeolocation = String.format("%s,%s", location.getLatitude(), location.getLongitude());
         }
         thingDiscovered(DiscoveryResultBuilder.create(sunThing).withLabel("Local Sun")
-                .withProperty("geolocation", propGeolocation).build());
+                .withProperty("geolocation", propGeolocation).withRepresentationProperty("geolocation").build());
         thingDiscovered(DiscoveryResultBuilder.create(moonThing).withLabel("Local Moon")
-                .withProperty("geolocation", propGeolocation).build());
+                .withProperty("geolocation", propGeolocation).withRepresentationProperty("geolocation").build());
     }
 
     @Reference