diff --git a/Documentation/md2man.py b/Documentation/md2man.py
index 1be13b1..d58a309 100755
--- a/Documentation/md2man.py
+++ b/Documentation/md2man.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 import sys, os, markdown, re
 from BeautifulSoup import BeautifulSoup
 
diff --git a/install.do b/install.do
index ebd3f22..c5f28c6 100644
--- a/install.do
+++ b/install.do
@@ -26,7 +26,7 @@ for d in *.py version/*.py; do
 	fix=$(echo $d | sed 's,-,_,g')
 	$INSTALL -m 0644 $d $LIBDIR/$fix
 done
-python -mcompileall $LIBDIR
+python2 -mcompileall $LIBDIR
 
 # It's important for the file to actually be named 'sh'.  Some shells (like
 # bash and zsh) only go into POSIX-compatible mode if they have that name.
@@ -37,7 +37,7 @@ for dd in redo*.py; do
 	d=$(basename $dd .py)
 	fix=$(echo $d | sed -e 's,-,_,g')
 	cat >install.wrapper <<-EOF
-		#!/usr/bin/python
+		#!/usr/bin/python2
 		import sys, os;
 		exedir = os.path.dirname(os.path.realpath(os.path.abspath(sys.argv[0])))
 		sys.path.insert(0, os.path.join(exedir, '../lib/redo'))
diff --git a/redo-always.py b/redo-always.py
index d8ddb9b..3f2b569 100755
--- a/redo-always.py
+++ b/redo-always.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 import sys, os
 import vars, state
 from log import err
diff --git a/redo-ifchange.py b/redo-ifchange.py
index ee6dd83..af232be 100755
--- a/redo-ifchange.py
+++ b/redo-ifchange.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 import sys, os
 
 import vars_init
diff --git a/redo-ifcreate.py b/redo-ifcreate.py
index b17acae..297675b 100755
--- a/redo-ifcreate.py
+++ b/redo-ifcreate.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 import sys, os
 import vars, state
 from log import err
diff --git a/redo-ood.py b/redo-ood.py
index 250aad1..2264031 100755
--- a/redo-ood.py
+++ b/redo-ood.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 import sys, os
 
 import vars_init
diff --git a/redo-sources.py b/redo-sources.py
index 5c54aba..6b89ece 100755
--- a/redo-sources.py
+++ b/redo-sources.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 import sys, os
 
 import vars_init
diff --git a/redo-stamp.py b/redo-stamp.py
index 2862fe5..87989d6 100755
--- a/redo-stamp.py
+++ b/redo-stamp.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 import sys, os
 import vars, state
 from log import err, debug2
diff --git a/redo-targets.py b/redo-targets.py
index afb6356..ab953fb 100755
--- a/redo-targets.py
+++ b/redo-targets.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 import sys, os
 
 import vars_init
diff --git a/redo-unlocked.py b/redo-unlocked.py
index 06759a3..bc49001 100755
--- a/redo-unlocked.py
+++ b/redo-unlocked.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 import sys, os
 import state
 from log import err
diff --git a/redo-whichdo.py b/redo-whichdo.py
index c692e98..4495066 100755
--- a/redo-whichdo.py
+++ b/redo-whichdo.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 import sys, os
 
 import vars_init
diff --git a/redo.py b/redo.py
index 95d46ef..3324a4b 100755
--- a/redo.py
+++ b/redo.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 import sys, os
 import options
 from helpers import atoi
diff --git a/t/101-atime/tick b/t/101-atime/tick
index f40e325..787574a 100755
--- a/t/101-atime/tick
+++ b/t/101-atime/tick
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 import time
 
 t1 = int(time.time())
diff --git a/t/130-mode/all.do b/t/130-mode/all.do
index 48183fd..a53eca8 100644
--- a/t/130-mode/all.do
+++ b/t/130-mode/all.do
@@ -1,5 +1,5 @@
 umask 0022
 redo mode1
-MODE=$(python -c 'import os; print oct(os.stat("mode1").st_mode & 07777)')
+MODE=$(python2 -c 'import os; print oct(os.stat("mode1").st_mode & 07777)')
 [ "$MODE" = "0644" ] || exit 78
 
diff --git a/t/flush-cache b/t/flush-cache
index 53e5af6..f96abf1 100755
--- a/t/flush-cache
+++ b/t/flush-cache
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 import sys, os, sqlite3
 
 if "DO_BUILT" in os.environ: