diff --git a/src/mpLinkCharacteristics.py b/src/mpLinkCharacteristics.py
index bf1f14a..642bed7 100644
--- a/src/mpLinkCharacteristics.py
+++ b/src/mpLinkCharacteristics.py
@@ -55,7 +55,7 @@ class MpLinkCharacteristics:
 		cmd = ""
 		for n in self.netemAt:
 			cmd = cmd + "sleep {}".format(n.delta)
-			cmd = cmd + " && tc qdisc add dev {} root handle 5:0 tbf rate {}mbit burst 15000 limit {} &&".format(ifname, self.bandwidth, self.bufferSize())
+			cmd = cmd + " && tc qdisc add dev {} root handle 5:0 tbf rate {}mbit burst 15000 limit {} &&".format(ifname, self.bandwidth, int(self.bufferSize()))
 
 		cmd = cmd + " true &"
 		return cmd
@@ -65,7 +65,7 @@ class MpLinkCharacteristics:
 		for n in self.netemAt:
 			cmd = cmd + "sleep " + str(n.delta)
 			cmd = cmd + " && tc qdisc del dev " + ifname + " root "
-			cmd = cmd + " && tc qdisc add dev {} root handle 10: netem {} delay {}ms limit {} &&".format(ifname, n.cmd, self.delay, 2 * self.bufferSize() // 1500)
+			cmd = cmd + " && tc qdisc add dev {} root handle 10: netem {} delay {}ms limit {} &&".format(ifname, n.cmd, self.delay, int(2 * self.bufferSize() // 1500))
 
 		cmd = cmd + " true &"
 		return cmd
@@ -76,7 +76,7 @@ class MpLinkCharacteristics:
 			cmd = cmd + "sleep {}".format(n.delta)
 			cmd = cmd + " && tc qdisc del dev {} ingress".format(ifname)
 			cmd = cmd + " ; tc qdisc add dev {} handle ffff: ingress".format(ifname)
-			cmd = cmd + " && tc filter add dev {} parent ffff: u32 match u32 0 0 police rate {}mbit burst {} drop && ".format(ifname, self.bandwidth, self.bufferSize())
+			cmd = cmd + " && tc filter add dev {} parent ffff: u32 match u32 0 0 police rate {}mbit burst {} drop && ".format(ifname, self.bandwidth, int(self.bufferSize() * 8))
 
 		cmd = cmd + " true &"
 		return cmd