diff --git a/py/execnet/script/loop_socketserver.py b/py/execnet/script/loop_socketserver.py
index a2f399cfa..00d31b349 100644
--- a/py/execnet/script/loop_socketserver.py
+++ b/py/execnet/script/loop_socketserver.py
@@ -1,12 +1,13 @@
 
 import os, sys
+import subprocess
 
 if __name__ == '__main__':
     directory = os.path.dirname(os.path.abspath(sys.argv[0]))
     script = os.path.join(directory, 'socketserver.py')
     while 1:
-        cmd = "python %s %s" % (script, " ".join(sys.argv[1:]))
-        print "starting subcommand:", cmd
-        f = os.popen(cmd)
-        for line in f:
-            print line,
+        cmdlist = ["python", script]
+        cmdlist.extend(sys.argv[1:])
+        print "starting subcommand:", " ".join(cmdlist)
+        process = subprocess.Popen(cmdlist)
+        process.wait()