diff --git a/plugins/maissensor/src/MaisSensorDriver.cpp b/plugins/maissensor/src/MaisSensorDriver.cpp
index aac63e554..4791aaa20 100644
--- a/plugins/maissensor/src/MaisSensorDriver.cpp
+++ b/plugins/maissensor/src/MaisSensorDriver.cpp
@@ -333,12 +333,12 @@ int GazeboYarpMaisSensorDriver::calibrateChannel(int ch, double value)
 
 // start yarp::dev::IEncoderArrays methods
 
-size_t embObjMais::getNrOfEncoderArrays() const 
+size_t GazeboYarpMaisSensorDriver::getNrOfEncoderArrays() const 
 {
     return 1;
 }
 
-yarp::dev::MAS_status embObjMais::getEncoderArrayStatus(size_t sens_index) const 
+yarp::dev::MAS_status GazeboYarpMaisSensorDriver::getEncoderArrayStatus(size_t sens_index) const 
 {
     if (sens_index >= 1) 
     {
@@ -348,7 +348,7 @@ yarp::dev::MAS_status embObjMais::getEncoderArrayStatus(size_t sens_index) const
     return yarp::dev::MAS_OK;
 }
 
-bool embObjMais::getEncoderArrayName(size_t sens_index, std::string &name) const 
+bool GazeboYarpMaisSensorDriver::getEncoderArrayName(size_t sens_index, std::string &name) const 
 {
     if (sens_index >= 1) 
     {
@@ -360,7 +360,7 @@ bool embObjMais::getEncoderArrayName(size_t sens_index, std::string &name) const
     return false;
 }
 
-bool embObjMais::getEncoderArrayMeasure(size_t sens_index, yarp::sig::Vector& out, double& timestamp) const 
+bool GazeboYarpMaisSensorDriver::getEncoderArrayMeasure(size_t sens_index, yarp::sig::Vector& out, double& timestamp) const 
 {
     if (sens_index >= 1) 
     {
@@ -374,7 +374,7 @@ bool embObjMais::getEncoderArrayMeasure(size_t sens_index, yarp::sig::Vector& ou
     return true;
 }
 
-size_t embObjMais::getEncoderArraySize(size_t sens_index) const 
+size_t GazeboYarpMaisSensorDriver::getEncoderArraySize(size_t sens_index) const 
 {
     if (sens_index >= 1) 
     {