diff --git a/src/lint/linter/ArcanistPEP8Linter.php b/src/lint/linter/ArcanistPEP8Linter.php
index bc644c63..735cfcfd 100644
--- a/src/lint/linter/ArcanistPEP8Linter.php
+++ b/src/lint/linter/ArcanistPEP8Linter.php
@@ -45,7 +45,7 @@ final class ArcanistPEP8Linter extends ArcanistLinter {
     $bin = $working_copy->getConfig('lint.pep8.bin');
 
     if ($bin === null && $prefix === null) {
-      $bin = csprintf('/usr/bin/env python2.6 %s',
+      $bin = csprintf('/usr/bin/env python %s',
                phutil_get_library_root('arcanist').
                '/../externals/pep8/pep8.py');
     } else {
diff --git a/src/lint/linter/ArcanistPyFlakesLinter.php b/src/lint/linter/ArcanistPyFlakesLinter.php
index 7f9bb842..3ae6cdc3 100644
--- a/src/lint/linter/ArcanistPyFlakesLinter.php
+++ b/src/lint/linter/ArcanistPyFlakesLinter.php
@@ -35,7 +35,7 @@ final class ArcanistPyFlakesLinter extends ArcanistLinter {
 
     // Default to just finding pyflakes in the users path
     $pyflakes_bin = 'pyflakes';
-    $python_path = '';
+    $python_path = array();
 
     // If a pyflakes path was specified, then just use that as the
     // pyflakes binary and assume that the libraries will be imported
@@ -50,9 +50,13 @@ final class ArcanistPyFlakesLinter extends ArcanistLinter {
       $pyflakes_bin = $pyflakes_path;
     } else if ($pyflakes_prefix !== null) {
       $pyflakes_bin = $pyflakes_prefix.'/bin/pyflakes';
-      $python_path = $pyflakes_prefix.'/lib/python2.6/site-packages:';
+      $python_path[] = $pyflakes_prefix.'/lib/python2.7/site-packages';
+      $python_path[] = $pyflakes_prefix.'/lib/python2.7/dist-packages';
+      $python_path[] = $pyflakes_prefix.'/lib/python2.6/site-packages';
+      $python_path[] = $pyflakes_prefix.'/lib/python2.6/dist-packages';
     }
-
+    $python_path[] = '';
+    $python_path = implode(':', $python_path);
     $options = $this->getPyFlakesOptions();
 
     $f = new ExecFuture(
diff --git a/src/lint/linter/ArcanistPyLintLinter.php b/src/lint/linter/ArcanistPyLintLinter.php
index 618014ad..88b45c18 100644
--- a/src/lint/linter/ArcanistPyLintLinter.php
+++ b/src/lint/linter/ArcanistPyLintLinter.php
@@ -133,7 +133,10 @@ final class ArcanistPyLintLinter extends ArcanistLinter {
     $python_path = array();
     foreach ($prefixes as $prefix) {
       if ($prefix !== null) {
+        $python_path[] = $prefix.'/lib/python2.7/site-packages';
+        $python_path[] = $prefix.'/lib/python2.7/dist-packages';
         $python_path[] = $prefix.'/lib/python2.6/site-packages';
+        $python_path[] = $prefix.'/lib/python2.6/dist-packages';
       }
     }