diff --git a/src/meshlabserver/mainserver.cpp b/src/meshlabserver/mainserver.cpp
index 568ada07c..ad9ef225f 100644
--- a/src/meshlabserver/mainserver.cpp
+++ b/src/meshlabserver/mainserver.cpp
@@ -551,7 +551,7 @@ namespace commandline
 {
     const char inproject('p');
     const char outproject('w');
-    const char overwrite('v');
+    const char overwrite('x');
     const char inputmeshes('i');
     const char outputmesh('o');
     const char mask('m');
@@ -594,7 +594,7 @@ namespace commandline
     {
         QString logstring("(" + optionValueExpression(log) + "\\s+" +  optionValueExpression(dump) + "|" + optionValueExpression(dump) + "\\s+" +  optionValueExpression(log) + "|" +  optionValueExpression(dump) + "|" + optionValueExpression(log) + ")");
         //QString remainstring("(" + optionValueExpression(inproject) + "|" + optionValueExpression(inputmeshes,true) + ")" + "(\\s+" + optionValueExpression(inproject) + "|\\s+" + optionValueExpression(inputmeshes,true) + ")*(\\s+" + optionValueExpression(outproject) + "|\\s+" + optionValueExpression(script) + "|\\s+" + outputmeshExpression() + ")*");
-        QString arg("(" + optionValueExpression(inproject) + "|" + optionValueExpression(inputmeshes) + "|" + optionValueExpression(outproject) + "(\\s+-v)?" + "|" + optionValueExpression(script) + "|" + outputmeshExpression() + ")");
+        QString arg("(" + optionValueExpression(inproject) + "|" + optionValueExpression(inputmeshes) + "|" + optionValueExpression(outproject) + "(\\s+-" + overwrite + ")?" + "|" + optionValueExpression(script) + "|" + outputmeshExpression() + ")");
         QString args("(" + arg + ")(\\s+" + arg + ")*");
         QString completecommandline("(" + logstring + "|" + logstring + "\\s+" + args + "|" + args + ")");
         QRegExp completecommandlineexp(completecommandline);
@@ -720,7 +720,9 @@ int main(int argc, char *argv[])
                         pr.filename += ".mlp";
                     }
                     ++i;
-                    if (((i + 1) < argc) && (QString(argv[i+1]) == QString("-" + commandline::overwrite)))
+					QString overtmp('-'); 
+					overtmp += commandline::overwrite;
+                    if (((i + 1) < argc) && (QString(argv[i+1]) == overtmp))
                     {
                         pr.overwrite = true;
                         ++i;
diff --git a/src/meshlabserver/meshlabserver.txt b/src/meshlabserver/meshlabserver.txt
index cddffe83f..7827b74cc 100644
--- a/src/meshlabserver/meshlabserver.txt
+++ b/src/meshlabserver/meshlabserver.txt
@@ -5,8 +5,8 @@ meshlabserver [logargs] [args]
     -l filename             log of the filters is ouput on a file
   where args can be:
     -p filename             meshlab project (.mlp) to be loaded
-    -w filename [-v]        output meshlab project (.mlp) to be saved.
-                            If -v flag is specified a 3D model meshfile.ext
+    -w filename [-x]        output meshlab project (.mlp) to be saved.
+                            If -x flag is specified a 3D model meshfile.ext
                             contained in the input project will be overwritten,
                             otherwise it will be saved in the same directory of
                             input mesh as a new file called meshfile_out.ext.
@@ -35,7 +35,7 @@ meshlabserver [logargs] [args]
            per-vertex-color, the per-face-quality and the per-wedge-texture
            attributes will be saved into the output.ply file
 
-    'meshlabserver -i input0.obj -i input1.ply -o outproj.mlp -v -s meshclean.mlx'
+    'meshlabserver -i input0.obj -i input1.ply -w outproj.mlp -x -s meshclean.mlx'
            the script file meshclean.mlx will be applied to the document
            composed by input0.obj and input1.ply meshes.
            The mesh input1.ply will become the current mesh of the document