diff --git a/docker/kolab/Dockerfile b/docker/kolab/Dockerfile
--- a/docker/kolab/Dockerfile
+++ b/docker/kolab/Dockerfile
@@ -43,7 +43,7 @@
 RUN rpm --import https://mirror.kolabenterprise.com/maipo.asc
 
 RUN yum -y install https://mirror.kolabenterprise.com/kolab-16-for-el7.rpm && \
-    yum -y install kolab-16-release-development && \
+    yum -y install kolab-16-release-development patch && \
         yum clean all
 
 RUN yum -y --setopt tsflags= install kolab
diff --git a/docker/kolab/kolab-init.sh b/docker/kolab/kolab-init.sh
--- a/docker/kolab/kolab-init.sh
+++ b/docker/kolab/kolab-init.sh
@@ -30,5 +30,6 @@
 ./19-turn-on-vlv-in-roundcube.sh && echo "19 done"
 ./20-add-alias-attribute-index.sh && echo "20 done"
 ./21-adjust-postfix-config.sh && echo "21 done"
+./23-patch-system.sh && echo "23 done"
 
 touch /tmp/kolab-init.done
diff --git a/docker/kolab/utils/23-patch-system.sh b/docker/kolab/utils/23-patch-system.sh
new file mode 100755
--- /dev/null
+++ b/docker/kolab/utils/23-patch-system.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+PATCHPATH=$(pwd)/patches
+
+# Example for applying a pykolab patch
+#pushd /usr/lib/python2.7/site-packages/ || exit
+#patch -p1 < "$PATCHPATH/0001-Resolve-base_dn-in-kolab_user_base_dn-user_base_dn-a.patch"
+#popd || exit
+#systemctl restart kolabd
+#systemctl restart wallace