diff --git a/bundles/org.openhab.binding.luxtronikheatpump/src/main/resources/OH-INF/thing/channels.xml b/bundles/org.openhab.binding.luxtronikheatpump/src/main/resources/OH-INF/thing/channels.xml
index 589ac6d17c814..bef4420d6cb2c 100644
--- a/bundles/org.openhab.binding.luxtronikheatpump/src/main/resources/OH-INF/thing/channels.xml
+++ b/bundles/org.openhab.binding.luxtronikheatpump/src/main/resources/OH-INF/thing/channels.xml
@@ -1572,7 +1572,7 @@
 	</channel-type>
 
 	<channel-type id="controlSignalCirculatingPump" advanced="true">
-		<item-type>Number:Percent</item-type>
+		<item-type>Number:Dimensionless</item-type>
 		<label>Control Signal Circulating Pump</label>
 		<state pattern="%.1f %%" readOnly="true"/>
 	</channel-type>