diff --git a/pre_commit_hooks/no_commit_to_branch.py b/pre_commit_hooks/no_commit_to_branch.py
index a97b103..4aa3535 100644
--- a/pre_commit_hooks/no_commit_to_branch.py
+++ b/pre_commit_hooks/no_commit_to_branch.py
@@ -9,7 +9,7 @@ from pre_commit_hooks.util import cmd_output
 def is_on_branch(protected):
     branch = cmd_output('git', 'symbolic-ref', 'HEAD')
     chunks = branch.strip().split('/')
-    return chunks[2] == protected
+    return '/'.join(chunks[2:]) == protected
 
 
 def main(argv=[]):
diff --git a/tests/check_no_commit_to_branch_test.py b/tests/check_no_commit_to_branch_test.py
index e8b09fd..99af938 100644
--- a/tests/check_no_commit_to_branch_test.py
+++ b/tests/check_no_commit_to_branch_test.py
@@ -12,6 +12,18 @@ def test_other_branch(temp_git_dir):
         assert is_on_branch('master') is False
 
 
+def test_multi_branch(temp_git_dir):
+    with temp_git_dir.as_cwd():
+        cmd_output('git', 'checkout', '-b', 'another/branch')
+        assert is_on_branch('master') is False
+
+
+def test_multi_branch_fail(temp_git_dir):
+    with temp_git_dir.as_cwd():
+        cmd_output('git', 'checkout', '-b', 'another/branch')
+        assert is_on_branch('another/branch') is True
+
+
 def test_master_branch(temp_git_dir):
     with temp_git_dir.as_cwd():
         assert is_on_branch('master') is True