diff --git a/.travis.yml b/.travis.yml
index c025ac2..b55c7d8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,10 +3,10 @@ language: "python"
 python: "2.7"
 
 before_install:
-  - "pip install setuptools flake8"
+  - "pip2 install setuptools flake8"
 
 install:
-  - "python setup.py develop"
+  - "python2 setup.py develop"
   - "git config user.email 'foo@bar.com'"
   - "git config user.name 'Foo Bar'"
 
diff --git a/README.rst b/README.rst
index c6494d1..2b24d47 100644
--- a/README.rst
+++ b/README.rst
@@ -166,13 +166,13 @@ If you have Ansible installed then you already have all of the dependencies you
 
     # Pick an installation method that agrees with you.
 
-    pip install ansigenome
+    pip2 install ansigenome
     easy_install ansigenome
 
     # If you want to live on the edge...
 
     git clone https://github.com/nickjj/ansigenome
-    cd ansigenome ; sudo python setup.py develop
+    cd ansigenome ; sudo python2 setup.py develop
 
 
 Quick start
diff --git a/bin/ansigenome b/bin/ansigenome
index 458fca6..eccf3e5 100755
--- a/bin/ansigenome
+++ b/bin/ansigenome
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 
 import os
 import sys
diff --git a/setup.py b/setup.py
index c8c6eed..f139d3e 100755
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 
 import sys
 
@@ -7,7 +7,7 @@
 except ImportError:
     print "Ansigenome needs setuptools in order to build. " + \
           "Install it using your package manager " + \
-          "(usually python-setuptools) or via pip (pip install setuptools)."
+          "(usually python-setuptools) or via pip (pip2 install setuptools)."
     sys.exit(1)
 
 setup(name="ansigenome",