diff --git a/src/Settings.cpp b/src/Settings.cpp
index f1dcc56e..05244b32 100644
--- a/src/Settings.cpp
+++ b/src/Settings.cpp
@@ -123,54 +123,51 @@ ParametersMap Settings::loadSettings(const QString & fileName)
 					if(str.size() != getParameter(key).toString().size())
 					{
 						// If a string list is modified, update the value
-						// (assuming that index < 10... one character for index)
-						QChar index = str.at(0);
+						// Assuming format ##:VA;VB;VC
+						int index = str.split(':').first().toInt();
 						str = getParameter(key).toString();
-						str[0] = index.toLatin1();
+						str = QString::number(index)+":"+ str.split(':').back();
 						value = QVariant(str);
 						UINFO("Updated list of parameter \"%s\"", key.toStdString().c_str());
 					}
 #if FINDOBJECT_NONFREE == 0
-					QChar index = str.at(0);
+					int index = str.split(':').first().toInt();
 					if(key.compare(Settings::kFeature2D_1Detector()) == 0)
 					{
-						if(index == '5' || index == '7')
+						if(index == 5 || index == 7)
 						{
-							index = Settings::defaultFeature2D_1Detector().at(0);
-							int indexInt = Settings::defaultFeature2D_1Detector().split(':').first().toInt();
+							index = Settings::defaultFeature2D_1Detector().split(':').first().toInt();
 							UWARN("Trying to set \"%s\" to SIFT/SURF but Find-Object isn't built "
 								  "with the nonfree module from OpenCV. Keeping default combo value: %s.",
 								  Settings::kFeature2D_1Detector().toStdString().c_str(),
-								  Settings::defaultFeature2D_1Detector().split(':').last().split(";").at(indexInt).toStdString().c_str());
+								  Settings::defaultFeature2D_1Detector().split(':').last().split(";").at(index).toStdString().c_str());
 						}
 					}
 					else if(key.compare(Settings::kFeature2D_2Descriptor()) == 0)
 					{
-						if(index == '2' || index == '3')
+						if(index == 2 || index == 3)
 						{
-							index = Settings::defaultFeature2D_2Descriptor().at(0);
-							int indexInt = Settings::defaultFeature2D_2Descriptor().split(':').first().toInt();
+							index = Settings::defaultFeature2D_2Descriptor().split(':').first().toInt();
 							UWARN("Trying to set \"%s\" to SIFT/SURF but Find-Object isn't built "
 								  "with the nonfree module from OpenCV. Keeping default combo value: %s.",
 								  Settings::kFeature2D_2Descriptor().toStdString().c_str(),
-								  Settings::defaultFeature2D_2Descriptor().split(':').last().split(";").at(indexInt).toStdString().c_str());
+								  Settings::defaultFeature2D_2Descriptor().split(':').last().split(";").at(index).toStdString().c_str());
 						}
 					}
 					else if(key.compare(Settings::kNearestNeighbor_1Strategy()) == 0)
 					{
-						if(index <= '4')
+						if(index <= 4)
 						{
-							index = Settings::defaultNearestNeighbor_1Strategy().at(0);
-							int indexInt = Settings::defaultNearestNeighbor_1Strategy().split(':').first().toInt();
+							index = Settings::defaultNearestNeighbor_1Strategy().split(':').first().toInt();
 							UWARN("Trying to set \"%s\" to one FLANN approach but Find-Object isn't built "
 									  "with the nonfree module from OpenCV and FLANN cannot be used "
 									  "with binary descriptors. Keeping default combo value: %s.",
 									  Settings::kNearestNeighbor_1Strategy().toStdString().c_str(),
-									  Settings::defaultNearestNeighbor_1Strategy().split(':').last().split(";").at(indexInt).toStdString().c_str());
+									  Settings::defaultNearestNeighbor_1Strategy().split(':').last().split(";").at(index).toStdString().c_str());
 						}
 					}
 					str = getParameter(key).toString();
-					str[0] = index.toLatin1();
+					str = QString::number(index)+":"+ str.split(':').back();
 					value = QVariant(str);
 #endif
 				}