diff --git a/pre_commit/git.py b/pre_commit/git.py
index 986adb84..3ed28da4 100644
--- a/pre_commit/git.py
+++ b/pre_commit/git.py
@@ -3,6 +3,7 @@ import os
 import os.path
 import pkg_resources
 import re
+import stat
 from plumbum import local
 
 from pre_commit.util import memoize_by_cwd
@@ -32,6 +33,8 @@ def create_pre_commit():
     path = get_pre_commit_path()
     pre_commit_file = pkg_resources.resource_filename('pre_commit', 'resources/pre-commit.sh')
     local.path(path).write(local.path(pre_commit_file).read())
+    original_mode = os.stat(path).st_mode
+    os.chmod(path, original_mode | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
 
 
 def remove_pre_commit():
diff --git a/tests/git_test.py b/tests/git_test.py
index 3b701751..f625ac83 100644
--- a/tests/git_test.py
+++ b/tests/git_test.py
@@ -1,6 +1,7 @@
 
 import os
 import pytest
+import stat
 from plumbum import local
 
 from pre_commit import git
@@ -25,6 +26,10 @@ def test_get_pre_commit_path(empty_git_dir):
 def test_create_pre_commit(empty_git_dir):
     git.create_pre_commit()
     assert len(open(git.get_pre_commit_path(), 'r').read()) > 0
+    stat_result = os.stat(git.get_pre_commit_path())
+    assert stat_result.st_mode & stat.S_IXUSR
+    assert stat_result.st_mode & stat.S_IXGRP
+    assert stat_result.st_mode & stat.S_IXOTH
 
 
 def test_remove_pre_commit(empty_git_dir):