diff --git a/util/install.sh b/util/install.sh
index b6d94ab..1140695 100755
--- a/util/install.sh
+++ b/util/install.sh
@@ -145,12 +145,11 @@ function mn_deps {
 
 # The following will cause a full OF install, covering:
 # -user switch
-# -dissector
 # The instructions below are an abbreviated version from
 # http://www.openflowswitch.org/wk/index.php/Debian_Install
 # ... modified to use Debian Lenny rather than unstable.
 function of {
-    echo "Installing OpenFlow and OpenFlow WireShark dissector..."
+    echo "Installing OpenFlow reference implementation..."
     cd ~/
     $install git-core autoconf automake autotools-dev pkg-config \
 		make gcc libtool libc6-dev 
@@ -166,25 +165,6 @@ function of {
     make
     sudo make install
 
-    # Install dissector:
-    $install wireshark libgtk2.0-dev
-    cd ~/openflow/utilities/wireshark_dissectors/openflow
-    make
-    sudo make install
-
-    # The OpenFlow wireshark plugin does not install to the correct dir.
-    # The correct way would be to fix the install script.
-    # For now, just copy it to the global WS plugin dir.
-    # Tested on Ubuntu 11.04.
-    if [ -e /var/packet-openflow.so ]; then
-        WS_DIR=`ls -d /usr/lib/wireshark/libwireshark* | head -1`
-        sudo cp /var/packet-openflow.so $WS_DIR/plugins/
-    fi
-
-    # Copy coloring rules: OF is white-on-blue:
-    mkdir -p ~/.wireshark
-    cp ~/mininet/util/colorfilters ~/.wireshark
-
     # Remove avahi-daemon, which may cause unwanted discovery packets to be 
     # sent during tests, near link status changes:
     $remove avahi-daemon
@@ -199,6 +179,38 @@ function of {
     cd ~
 }
 
+function wireshark {
+    echo "Installing Wireshark dissector..."
+
+    sudo apt-get install -y wireshark libgtk2.0-dev
+
+    if [ "$DIST" = "Ubuntu" ] && [ "$RELEASE" != "10.04" ]; then
+        # Install newer version
+        sudo apt-get install -y scons mercurial libglib2.0-dev
+        sudo apt-get install -y libwiretap-dev libwireshark-dev
+        cd ~
+        hg clone https://bitbucket.org/onlab/of-dissector
+        cd of-dissector/src
+        export WIRESHARK=/usr/include/wireshark
+        scons
+        # libwireshark0/ on 11.04; libwireshark1/ on later
+        WSDIR=`ls -d /usr/lib/wireshark/libwireshark* | head -1`
+        WSPLUGDIR=$WSDIR/plugins/
+        sudo cp openflow.so $WSPLUGDIR
+        echo "Copied openflow plugin to $WSPLUGDIR"
+    else
+        # Install older version from reference source
+        cd ~/openflow/utilities/wireshark_dissectors/openflow
+        make
+        sudo make install
+    fi
+
+    # Copy coloring rules: OF is white-on-blue:
+    mkdir -p ~/.wireshark
+    cp ~/mininet/util/colorfilters ~/.wireshark
+}
+
+
 # Install Open vSwitch
 # Instructions derived from OVS INSTALL, INSTALL.OpenFlow and README files.
 function ovs {
@@ -428,6 +440,7 @@ function all {
     kernel
     mn_deps
     of
+    wireshark
     ovs
     nox
     oftest
@@ -487,6 +500,7 @@ function usage {
     printf -- ' -r: remove existing Open vSwitch packages\n' >&2
     printf -- ' -t: install o(T)her stuff\n' >&2
     printf -- ' -v: install open (V)switch\n' >&2
+    printf -- ' -w: install OpenFlow (w)ireshark dissector\n' >&2
     printf -- ' -x: install NO(X) OpenFlow controller\n' >&2
     printf -- ' -y: install (A)ll packages\n' >&2    
     
@@ -497,7 +511,7 @@ if [ $# -eq 0 ]
 then
     all
 else
-    while getopts 'abcdfhkmnrtvx' OPTION
+    while getopts 'abcdfhkmnrtvwx' OPTION
     do
       case $OPTION in
       a)    all;;
@@ -512,6 +526,7 @@ else
       r)    remove_ovs;;
       t)    other;;
       v)    ovs;;
+      w)    wireshark;;
       x)    nox;;
       ?)    usage;;
       esac