diff --git a/bundles/org.openhab.binding.globalcache/src/main/java/org/openhab/binding/globalcache/internal/discovery/GlobalCacheDiscoveryService.java b/bundles/org.openhab.binding.globalcache/src/main/java/org/openhab/binding/globalcache/internal/discovery/GlobalCacheDiscoveryService.java
index 49bb8f4e3..5fb450ec5 100644
--- a/bundles/org.openhab.binding.globalcache/src/main/java/org/openhab/binding/globalcache/internal/discovery/GlobalCacheDiscoveryService.java
+++ b/bundles/org.openhab.binding.globalcache/src/main/java/org/openhab/binding/globalcache/internal/discovery/GlobalCacheDiscoveryService.java
@@ -163,6 +163,7 @@ public class GlobalCacheDiscoveryService extends AbstractDiscoveryService {
                     logger.trace("Creating discovery result for: {}, type={}, IP={}", uid,
                             gcMulticastListener.getModel(), gcMulticastListener.getIPAddress());
                     thingDiscovered(DiscoveryResultBuilder.create(uid).withProperties(properties)
+                            .withRepresentationProperty(THING_PROPERTY_MAC)
                             .withLabel(gcMulticastListener.getVendor() + " " + gcMulticastListener.getModel()).build());
                 }
             }
diff --git a/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/gc-100-06.xml b/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/gc-100-06.xml
index 6ec0d84bf..eb21a21c8 100644
--- a/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/gc-100-06.xml
+++ b/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/gc-100-06.xml
@@ -15,6 +15,8 @@
 			<channel-group id="ir-m2" typeId="ir-m2"/>
 		</channel-groups>
 
+		<representation-property>macAddress</representation-property>
+
 		<config-description>
 			<parameter name="ipAddress" type="text" required="true">
 				<label>Network Address</label>
diff --git a/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/gc-100-12.xml b/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/gc-100-12.xml
index 4b35b7c8e..210ff3c16 100644
--- a/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/gc-100-12.xml
+++ b/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/gc-100-12.xml
@@ -18,6 +18,8 @@
 			<channel-group id="ir-m5" typeId="ir-m5"/>
 		</channel-groups>
 
+		<representation-property>macAddress</representation-property>
+
 		<config-description>
 			<parameter name="ipAddress" type="text" required="true">
 				<label>Network Address</label>
diff --git a/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-cc.xml b/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-cc.xml
index 78bf77df3..b7cac18b8 100644
--- a/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-cc.xml
+++ b/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-cc.xml
@@ -14,6 +14,8 @@
 			<channel-group id="cc-m1" typeId="cc-m1"/>
 		</channel-groups>
 
+		<representation-property>macAddress</representation-property>
+
 		<config-description>
 			<parameter name="ipAddress" type="text" required="true">
 				<label>Network Address</label>
diff --git a/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-flex.xml b/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-flex.xml
index d8a710338..b68861587 100644
--- a/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-flex.xml
+++ b/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-flex.xml
@@ -16,6 +16,8 @@
 			<channel-group id="cc-m1" typeId="cc-m1"/>
 		</channel-groups>
 
+		<representation-property>macAddress</representation-property>
+
 		<config-description>
 			<parameter name="ipAddress" type="text" required="true">
 				<label>Network Address</label>
diff --git a/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-ir.xml b/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-ir.xml
index 1a541fb4b..9355b8825 100644
--- a/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-ir.xml
+++ b/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-ir.xml
@@ -14,6 +14,8 @@
 			<channel-group id="ir-m1" typeId="ir-m1"/>
 		</channel-groups>
 
+		<representation-property>macAddress</representation-property>
+
 		<config-description>
 			<parameter name="ipAddress" type="text" required="true">
 				<label>Network Address</label>
diff --git a/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-sl.xml b/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-sl.xml
index abb1f3967..fac47bd63 100644
--- a/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-sl.xml
+++ b/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/itach-sl.xml
@@ -14,6 +14,8 @@
 			<channel-group id="sl-m1" typeId="sl-m1"/>
 		</channel-groups>
 
+		<representation-property>macAddress</representation-property>
+
 		<config-description>
 			<parameter name="ipAddress" type="text" required="true">
 				<label>Network Address</label>
diff --git a/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/zmote.xml b/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/zmote.xml
index e61ddf9db..87df9bf2e 100644
--- a/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/zmote.xml
+++ b/bundles/org.openhab.binding.globalcache/src/main/resources/OH-INF/thing/zmote.xml
@@ -14,6 +14,8 @@
 			<channel-group id="ir-m1-c1" typeId="ir-m1-c1"/>
 		</channel-groups>
 
+		<representation-property>macAddress</representation-property>
+
 		<config-description>
 			<parameter name="ipAddress" type="text" required="true">
 				<label>Network Address</label>