diff --git a/silver.py b/silver.py
index 9e9e662..75b01fd 100644
--- a/silver.py
+++ b/silver.py
@@ -43,7 +43,10 @@
 
 hostfile = ''
 if not host:
+	host = ' '
 	hostfile = '-iL ' + input_file
+else:
+	host = ' %s ' % host
 
 use_cpe = True
 if method == 'software':
@@ -67,6 +70,7 @@
 	exclude = ' --exclude ' + ','.join(exclude) + ' '
 else:
 	exclude = ''
+
 os.system('masscan %s -p%s --rate 10000 -oG %s %s%s>/dev/null 2>&1' % (host, ports_to_scan, savefile, hostfile, exclude))
 master_db = parse_masscan(savefile)
 for host in masscan_saved: