diff --git a/configure.py b/configure.py
index ac300c98..2092852f 100644
--- a/configure.py
+++ b/configure.py
@@ -1,16 +1,16 @@
-# vim: set ts=2 sw=2 tw=99 noet:
+# vim: set ts=2 sw=2 tw=99 et:
 import sys
 try:
-	from ambuild2 import run
+  from ambuild2 import run
 except:
-	try:
-		import ambuild
-		sys.stderr.write('It looks like you have AMBuild 1 installed, but this project uses AMBuild 2.\n')
-		sys.stderr.write('Upgrade to the latest version of AMBuild to continue.\n')
-	except:
-		sys.stderr.write('AMBuild must be installed to build this project.\n')
-		sys.stderr.write('http://www.alliedmods.net/ambuild\n')
-	sys.exit(1)
+  try:
+    import ambuild
+    sys.stderr.write('It looks like you have AMBuild 1 installed, but this project uses AMBuild 2.\n')
+    sys.stderr.write('Upgrade to the latest version of AMBuild to continue.\n')
+  except:
+    sys.stderr.write('AMBuild must be installed to build this project.\n')
+    sys.stderr.write('http://www.alliedmods.net/ambuild\n')
+  sys.exit(1)
 
 run = run.PrepareBuild(sourcePath=sys.path[0])
 run.default_build_folder = 'obj-' + run.target_platform
@@ -21,11 +21,11 @@ run.options.add_option('--enable-optimize', action='store_const', const='1', des
 run.options.add_option('--no-mysql', action='store_true', default=False, dest='disable_mysql',
                        help='Disable building MySQL extension')
 run.options.add_option('--breakpad-dump', action='store_true', dest='breakpad_dump',
-											 default=False, help='Dump and upload breakpad symbols')
+                       default=False, help='Dump and upload breakpad symbols')
 run.options.add_option('--metamod', type='string', dest='metamod_path', default='',
-											 help='Path to Metamod source code')
+                       help='Path to Metamod source code')
 run.options.add_option('--hlsdk', type='string', dest='hlsdk_path', default='',
-											 help='Path to the HLSDK')
+                       help='Path to the HLSDK')
 run.options.add_option('--mysql', type='string', dest='mysql_path', default='',
-											 help='Path to MySQL')
+                       help='Path to MySQL')
 run.Configure()