diff --git a/src/ros/FindObjectROS.cpp b/src/ros/FindObjectROS.cpp
index 22e2a386..e0c20b80 100644
--- a/src/ros/FindObjectROS.cpp
+++ b/src/ros/FindObjectROS.cpp
@@ -34,12 +34,13 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 using namespace find_object;
 
-FindObjectROS::FindObjectROS(const std::string & objFramePrefix, QObject * parent) :
+FindObjectROS::FindObjectROS(QObject * parent) :
 	FindObject(true, parent),
 	objFramePrefix_("object")
 {
 	ros::NodeHandle pnh("~"); // public
 	pnh.param("object_prefix", objFramePrefix_, objFramePrefix_);
+	ROS_INFO("object_prefix = %s", objFramePrefix_.c_str());
 
 	ros::NodeHandle nh; // public
 
diff --git a/src/ros/FindObjectROS.h b/src/ros/FindObjectROS.h
index 0e875794..b4ff48ca 100644
--- a/src/ros/FindObjectROS.h
+++ b/src/ros/FindObjectROS.h
@@ -44,7 +44,7 @@ class FindObjectROS : public find_object::FindObject
 	Q_OBJECT;
 
 public:
-	FindObjectROS(const std::string & objPrefix, QObject * parent = 0);
+	FindObjectROS(QObject * parent = 0);
 	virtual ~FindObjectROS() {}
 
 public Q_SLOTS:
diff --git a/src/ros/find_object_2d_node.cpp b/src/ros/find_object_2d_node.cpp
index eefec798..05c347d4 100644
--- a/src/ros/find_object_2d_node.cpp
+++ b/src/ros/find_object_2d_node.cpp
@@ -74,7 +74,6 @@ int main(int argc, char** argv)
 	std::string sessionPath;
 	settingsPath = QDir::homePath().append("/.ros/find_object_2d.ini").toStdString();
 	bool subscribeDepth = false;
-	std::string objFramePrefix = "object";
 
 	ros::NodeHandle nh("~");
 
@@ -83,14 +82,12 @@ int main(int argc, char** argv)
 	nh.param("session_path", sessionPath, sessionPath);
 	nh.param("settings_path", settingsPath, settingsPath);
 	nh.param("subscribe_depth", subscribeDepth, subscribeDepth);
-	nh.param("obj_frame_prefix", objFramePrefix, objFramePrefix);
 
 	ROS_INFO("gui=%d", (int)gui);
 	ROS_INFO("objects_path=%s", objectsPath.c_str());
 	ROS_INFO("session_path=%s", sessionPath.c_str());
 	ROS_INFO("settings_path=%s", settingsPath.c_str());
 	ROS_INFO("subscribe_depth = %s", subscribeDepth?"true":"false");
-	ROS_INFO("obj_frame_prefix = %s", objFramePrefix.c_str());
 
 	if(settingsPath.empty())
 	{
@@ -114,7 +111,7 @@ int main(int argc, char** argv)
 	// Load settings, should be loaded before creating other objects
 	Settings::init(settingsPath.c_str());
 
-	FindObjectROS * findObjectROS = new FindObjectROS(objFramePrefix);
+	FindObjectROS * findObjectROS = new FindObjectROS();
 	if(!sessionPath.empty())
 	{
 		if(!objectsPath.empty())