diff --git a/src/meshlab/mainwindow_RunTime.cpp b/src/meshlab/mainwindow_RunTime.cpp
index 0e0135f0e..39585ad16 100644
--- a/src/meshlab/mainwindow_RunTime.cpp
+++ b/src/meshlab/mainwindow_RunTime.cpp
@@ -2420,7 +2420,16 @@ bool MainWindow::importMesh(QString fileName)
 			// the user does not want to see the parameter dialog
 			// need to take the default values from the currentGlobalParams
 			else {
-				//TODO
+				for (RichParameter& p : prePar){
+					QString prefixName = "MeshLab::IO::" + extension.toUpper() + "::";
+					if (currentGlobalParams.hasParameter(prefixName + p.name())){
+						const RichParameter& cp = currentGlobalParams.getParameterByName(prefixName + p.name());
+						p.setValue(cp.value());
+					}
+					else {
+						qDebug() << "ERROR!!! " + prefixName + p.name() + " not found in global params.";
+					}
+				}
 			}
 		}
 
diff --git a/src/meshlabplugins/io_base/baseio.cpp b/src/meshlabplugins/io_base/baseio.cpp
index 83092a5f5..c889b5926 100644
--- a/src/meshlabplugins/io_base/baseio.cpp
+++ b/src/meshlabplugins/io_base/baseio.cpp
@@ -136,7 +136,7 @@ void BaseMeshIOPlugin::initPreOpenParameter(const QString &formatName, RichParam
 		parlst.addParam(RichFloat("angle", 85.0, "Angle limit for face culling", "short"));
 	}
 	if (formatName.toUpper() == tr("STL")) {
-		parlst.addParam(RichBool(stlUnifyParName(), true, "Unify Duplicated Vertices in STL files", "The STL format is not an vertex-indexed format. Each triangle is composed by independent vertices, so, usually, duplicated vertices should be unified"));
+		parlst.addParam(RichBool("unify_vertices", true, "Unify Duplicated Vertices in STL files", "The STL format is not an vertex-indexed format. Each triangle is composed by independent vertices, so, usually, duplicated vertices should be unified"));
 	}
 }
 
@@ -189,7 +189,7 @@ void BaseMeshIOPlugin::open(const QString &formatName, const QString &fileName,
 			throw MLException(errorMsgFormat.arg(fileName, tri::io::ImporterSTL<CMeshO>::ErrorMsg(result)));
 		}
 
-		bool stluinf = parlst.getBool(stlUnifyParName());
+		bool stluinf = parlst.getBool("unify_vertices");
 		if (stluinf)
 		{
 			tri::Clean<CMeshO>::RemoveDuplicateVertex(m.cm);
diff --git a/src/meshlabplugins/io_base/baseio.h b/src/meshlabplugins/io_base/baseio.h
index ce65fbab6..34917bb46 100644
--- a/src/meshlabplugins/io_base/baseio.h
+++ b/src/meshlabplugins/io_base/baseio.h
@@ -76,8 +76,6 @@ public:
 
 private:
 	std::list<FileFormat> rasterFormatList;
-
-	static QString stlUnifyParName() { return QString("MeshLab::IO::STL::UnifyVertices"); }
 };
 
 #endif