diff --git a/code/nel/include/nel/gui/group_wheel.h b/code/nel/include/nel/gui/group_wheel.h
index 37c7d377f..8cb077ee4 100644
--- a/code/nel/include/nel/gui/group_wheel.h
+++ b/code/nel/include/nel/gui/group_wheel.h
@@ -32,6 +32,7 @@ namespace NLGUI
 		CInterfaceGroupWheel(const TCtorParam &param);
 
 		std::string getProperty( const std::string &name ) const;
+		void setProperty( const std::string &name, const std::string &value );
 
 		/// Coming from CInterfaceElement
 		virtual bool parse(xmlNodePtr cur, CInterfaceGroup * parentGroup);
diff --git a/code/nel/src/gui/group_wheel.cpp b/code/nel/src/gui/group_wheel.cpp
index c21ec2cb9..6a9818ea2 100644
--- a/code/nel/src/gui/group_wheel.cpp
+++ b/code/nel/src/gui/group_wheel.cpp
@@ -57,6 +57,35 @@ namespace NLGUI
 			return CInterfaceGroup::getProperty( name );
 	}
 
+	void CInterfaceGroupWheel::setProperty( const std::string &name, const std::string &value )
+	{
+		if( name == "on_wheel_up" )
+		{
+			_AHWheelUp = CAHManager::getInstance()->getAH( value, std::string() );
+			return;
+		}
+		else
+		if( name == "on_wheel_up_params" )
+		{
+			_AHWheelUpParams = value;
+			return;
+		}
+		else
+		if( name == "on_wheel_down" )
+		{
+			_AHWheelDown = CAHManager::getInstance()->getAH( value, std::string() );
+			return;
+		}
+		else
+		if( name == "on_wheel_down_params" )
+		{
+			_AHWheelDownParams = value;
+			return;
+		}
+		else
+			CInterfaceGroup::setProperty( name, value );
+	}
+
 	// *****************************************************************************************************************
 	bool CInterfaceGroupWheel::parse(xmlNodePtr cur, CInterfaceGroup * parentGroup)
 	{