diff --git a/src/TactiloController/ovpCBoxAlgorithmTactiloController.cpp b/src/TactiloController/ovpCBoxAlgorithmTactiloController.cpp
index 9e5ffe7..02a1eb5 100644
--- a/src/TactiloController/ovpCBoxAlgorithmTactiloController.cpp
+++ b/src/TactiloController/ovpCBoxAlgorithmTactiloController.cpp
@@ -115,13 +115,13 @@ bool CBoxAlgorithmTactiloController::process()
 				}
 				if(StimulationID == OVTK_StimulationId_VisualStimulationStart)
 				{
-					this->getLogManager() << LogLevel_Info << "Tactilo Nr. " << m_currTactiloNr << " ON\n";
-					m_Port.write_some(boost::asio::buffer(std::to_string(m_currTactiloNr)));
+					this->getLogManager() << LogLevel_Debug << "Tactilo Nr. " << m_currTactiloNr << " ON\n";
+					m_Port.write_some(boost::asio::buffer(std::to_string(m_currTactiloNr-1)));
 				}
 				if(StimulationID == OVTK_StimulationId_VisualStimulationStop)
 				{
-					this->getLogManager() << LogLevel_Info << "Tactilo Nr. " << m_currTactiloNr << " OFF\n";
-					m_Port.write_some(boost::asio::buffer(std::to_string(m_currTactiloNr)));
+					this->getLogManager() << LogLevel_Debug << "Tactilo Nr. " << m_currTactiloNr << " OFF\n";
+					m_Port.write_some(boost::asio::buffer(std::to_string(m_currTactiloNr-1)));
 				}
 			}
 		}