diff --git a/src/etc/check-binaries.py b/src/etc/check-binaries.py
index ebd2a9376b6b0..864a77c81fbbe 100755
--- a/src/etc/check-binaries.py
+++ b/src/etc/check-binaries.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+#
 # Copyright 2013 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/etc/combine-tests.py b/src/etc/combine-tests.py
index f1ac3e89846af..7ba451caf4ae7 100755
--- a/src/etc/combine-tests.py
+++ b/src/etc/combine-tests.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+#
 # Copyright 2011-2013 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/etc/extract_grammar.py b/src/etc/extract_grammar.py
index 4e0fbe944988c..53781652902f5 100755
--- a/src/etc/extract_grammar.py
+++ b/src/etc/extract_grammar.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+#
 # Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/etc/get-snapshot.py b/src/etc/get-snapshot.py
index fd97affd9ad58..61acac06882f1 100755
--- a/src/etc/get-snapshot.py
+++ b/src/etc/get-snapshot.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+#
 # Copyright 2011-2013 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
diff --git a/src/etc/make-snapshot.py b/src/etc/make-snapshot.py
index fec78fc1aafdf..3f7df1cfa9935 100755
--- a/src/etc/make-snapshot.py
+++ b/src/etc/make-snapshot.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+#
 # Copyright 2011-2013 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.