diff --git a/hbdclass.py b/hbdclass.py
index 50da640..dff4cb1 100644
--- a/hbdclass.py
+++ b/hbdclass.py
@@ -17,7 +17,7 @@ DEBUG=1
 
 def log(host, m):
 	if DEBUG:
-		print "class log: %s %s" % (host, m)
+		print("class log: %s %s" % (host, m))
 
 
 class Connection:
@@ -268,7 +268,7 @@ class Host:
 			state = "<b>%s</b>" % self.state
 		elif self.state in ["up", "UP"]:
 			state = ""
-			for x in self.connections.keys():
+			for x in list(self.connections.keys()):
 				try:
 					state += " %5.1f" %  (self.connections[x].rtts[-1])
 				except:
@@ -285,7 +285,7 @@ class Host:
 			if self.upcount > 0:
 #				return "(%0.1f%%) %s %s %s " % ((self.doesack * 100.0) / self.upcount, self.doesack, self.upcount, self.hdwcounts)
 				r = ""
-				for v in xrange(3):
+				for v in range(3):
 					a,u = self.hdwcounts[v]
 					if (self.upcount - u) != 0:
 						vs = "%0.0f" % (100.0 - (((self.doesack - a) * 100.0) / (self.upcount - u)))
@@ -338,7 +338,7 @@ class Host:
 		res = []
 		res.append('<table id="ntable" class="sortable">')
 		res.append(ubHost.htmltable('th', ubHost.headerdict(), short))
-		hosts_sorted = Host.hosts.keys()
+		hosts_sorted = list(Host.hosts.keys())
 		if len(hosts_sorted):
 			hosts_sorted.sort()
 			for h in hosts_sorted: