diff --git a/GUI/xasy2asy.py b/GUI/xasy2asy.py
index e4b3f3700..f0d84cd98 100644
--- a/GUI/xasy2asy.py
+++ b/GUI/xasy2asy.py
@@ -38,8 +38,7 @@
 import uuid
 
 class AsymptoteEngine:
-#    xasy=chr(4)+"\n"
-    xasy="xasy\n"
+    xasy=chr(4)+"\n"
 
     def __init__(self, path=None, keepFiles=DebugFlags.keepFiles, keepDefaultArgs=True):
         if path is None:
@@ -68,7 +67,7 @@ def __init__(self, path=None, keepFiles=DebugFlags.keepFiles, keepDefaultArgs=Tr
         else:
             self.tmpdir = tempfile.mkdtemp(prefix='xasyData_')+os.sep
 
-        self.args=['-vv','-xasy', '-noV', '-q', '-inpipe=' + str(rx), '-outpipe=' + str(wa), '-o', self.tmpdir]
+        self.args=['-xasy', '-noV', '-q', '-inpipe=' + str(rx), '-outpipe=' + str(wa), '-o', self.tmpdir]
 
         self.asyPath = path
         self.asyProcess = None
diff --git a/process.cc b/process.cc
index a7baac74a..8622be836 100644
--- a/process.cc
+++ b/process.cc
@@ -783,12 +783,14 @@ class iprompt : public icore {
   // Continue taking input until a termination command is received from xasy.
   block *parseXasyLine(string line) {
     
+#ifdef __MSDOS__  
+    const string EOT="\x04\r\n";
+#else    
+    const string EOT="\x04\n";
+#endif
     string s;
-//    while((s=getline(true)) != "\x04\n") {// End of transmission
-    while((s=getline(true)) != "xasy\n") {// End of transmission
-      cout << s << endl;
+    while((s=getline(true)) != EOT)
       line += s;
-    }
     return parser::parseString(line, "-", true);
   }