diff --git a/src/emuvim/api/osm/kafka.py b/src/emuvim/api/osm/kafka.py
index 4443621..c5f643f 100644
--- a/src/emuvim/api/osm/kafka.py
+++ b/src/emuvim/api/osm/kafka.py
@@ -21,9 +21,11 @@
 class Kafka(OSMComponentBase):
     def __init__(self, net, ip, zookeeper_ip, version='latest', name_prefix=''):
         OSMComponentBase.__init__(self)
+        subnet_separator_index = ip.find('/')
+        ip_without_subnet = ip if subnet_separator_index == -1 else ip[:subnet_separator_index]
         self.instance = net.addDocker(
             '{}kafka'.format(name_prefix), ip=ip, dimage='wurstmeister/kafka:%s' % version,
-            environment={'KAFKA_ADVERTISED_HOST_NAME': ip,
+            environment={'KAFKA_ADVERTISED_HOST_NAME': ip_without_subnet,
                          'KAFKA_ADVERTISED_PORT': '9092',
                          'KAFKA_ZOOKEEPER_CONNECT': '%s:2181' % zookeeper_ip,
                          'KAFKA_CREATE_TOPICS': 'admin:1:1,ns:1:1,vim_account:1:1,wim_account:1:1,sdn:1:1,nsi:1:1'