diff --git a/mininet/node.py b/mininet/node.py
index 3950d95..d5b3036 100644
--- a/mininet/node.py
+++ b/mininet/node.py
@@ -329,10 +329,7 @@ class Node( object ):
         # Shell requires a string, not a list!
         if defaults.get( 'shell', False ):
             cmd = ' '.join( cmd )
-        old = signal.signal( signal.SIGINT, signal.SIG_IGN )
-        popen = Popen( cmd, **defaults )
-        signal.signal( signal.SIGINT, old )
-        return popen
+        return Popen( cmd, **defaults )
 
     def pexec( self, *args, **kwargs ):
         """Execute a command using popen