diff --git a/bundles/org.openhab.binding.openthermgateway/src/main/java/org/openhab/binding/openthermgateway/internal/GatewayCommandCode.java b/bundles/org.openhab.binding.openthermgateway/src/main/java/org/openhab/binding/openthermgateway/internal/GatewayCommandCode.java
index 1e8a88d57..c7da1251a 100644
--- a/bundles/org.openhab.binding.openthermgateway/src/main/java/org/openhab/binding/openthermgateway/internal/GatewayCommandCode.java
+++ b/bundles/org.openhab.binding.openthermgateway/src/main/java/org/openhab/binding/openthermgateway/internal/GatewayCommandCode.java
@@ -24,7 +24,7 @@ public class GatewayCommandCode {
     public static final String TEMPERATURETEMPORARY = "TT";
     public static final String TEMPERATURECONSTANT = "TC";
     public static final String TEMPERATUREOUTSIDE = "OT";
-    public static final String SETCLOCK = "ST";
+    public static final String SETCLOCK = "SC";
     public static final String HOTWATER = "HW";
     public static final String PRINTREPORT = "PR";
     public static final String PRINTSUMMARY = "PS";