diff --git a/build.py b/build.py
index 5a2435c..fcc3011 100755
--- a/build.py
+++ b/build.py
@@ -1,27 +1,27 @@
-#!/usr/bin/python2.7
+#!/usr/bin/python
 import os, sys, shutil, re, textwrap
 
-COMPILER    = "i586-pc-msdosdjgpp-gcc"
-SRC_DIR     = "src"
-BIN_DIR     = "bin"
-BIN_NAME    = "love.exe"
-EMBED_DIR   = "src/embed"
+COMPILER = "i586-pc-msdosdjgpp-gcc"
+SRC_DIR = "src"
+BIN_DIR = "bin"
+BIN_NAME = "love.exe"
+EMBED_DIR = "src/embed"
 TEMPSRC_DIR = ".tempsrc"
 
-CFLAGS    = [ "-O2", "-Wall", "-s", "-Wno-misleading-indentation" ]
-DLIBS     = [ "m" ]
-DEFINES   = [ "DMT_ABORT_NULL", "LUA_COMPAT_ALL" ]
-INCLUDES  = [ "src", TEMPSRC_DIR ]
+CFLAGS = ["-O2", "-Wall", "-s", "-Wno-misleading-indentation"]
+DLIBS = ["m"]
+DEFINES = ["DMT_ABORT_NULL", "LUA_COMPAT_ALL"]
+INCLUDES = ["src", TEMPSRC_DIR]
 
 
 def fmt(fmt, var):
-  for k in var:
-    fmt = fmt.replace("{%s}" % str(k), var[k])
-  return fmt
+    for k in var:
+        fmt = fmt.replace("{%s}" % str(k), var[k])
+    return fmt
 
 
 def listdir(path):
-  return [os.path.join(dp, f) for dp, dn, fn in os.walk(path) for f in fn]
+    return [os.path.join(dp, f) for dp, dn, fn in os.walk(path) for f in fn]
 
 
 def make_c_include(name, data):
@@ -34,46 +34,47 @@ def make_c_include(name, data):
 
 
 def main():
-  os.chdir(sys.path[0])
+    os.chdir(sys.path[0])
 
-  if not os.path.exists(BIN_DIR):
-    os.makedirs(BIN_DIR)
+    if not os.path.exists(BIN_DIR):
+        os.makedirs(BIN_DIR)
 
-  if not os.path.exists(TEMPSRC_DIR):
-    os.makedirs(TEMPSRC_DIR)
+    if not os.path.exists(TEMPSRC_DIR):
+        os.makedirs(TEMPSRC_DIR)
 
-  embedded_files = listdir(EMBED_DIR)
+    embedded_files = listdir(EMBED_DIR)
 
-  for filename in embedded_files:
-    name = os.path.basename(filename)
-    name, text = make_c_include(name, open(filename).read())
-    open("%s/%s.h" % (TEMPSRC_DIR, name), "wb").write(text)
+    for filename in embedded_files:
+        name = os.path.basename(filename)
+        name, text = make_c_include(name, open(filename).read())
+        open("%s/%s.h" % (TEMPSRC_DIR, name), "wb").write(text)
 
-  cfiles = filter(lambda x:x.endswith((".c", ".C")), listdir(SRC_DIR))
+    cfiles = filter(lambda x: x.endswith((".c", ".C")), listdir(SRC_DIR))
 
-  cmd = fmt(
-    "{compiler} {flags} {defines} {includes} -o {outfile} {srcfiles} {libs} {argv}",
-    {
-      "compiler"  : COMPILER,
-      "flags"     : " ".join(CFLAGS),
-      "defines"   : " ".join(map(lambda x: "-D " + x, DEFINES)),
-      "includes"  : " ".join(map(lambda x: "-I " + x, INCLUDES)),
-      "outfile"   : BIN_DIR + "/" + BIN_NAME,
-      "srcfiles"  : " ".join(cfiles),
-      "libs"      : " ".join(map(lambda x: "-l" + x, DLIBS)),
-      "argv"      : " ".join(sys.argv[1:])
-    })
+    cmd = fmt(
+        "{compiler} {flags} {defines} {includes} -o {outfile} {srcfiles} {libs} {argv}",
+        {
+            "compiler": COMPILER,
+            "flags": " ".join(CFLAGS),
+            "defines": " ".join(map(lambda x: "-D " + x, DEFINES)),
+            "includes": " ".join(map(lambda x: "-I " + x, INCLUDES)),
+            "outfile": BIN_DIR + "/" + BIN_NAME,
+            "srcfiles": " ".join(cfiles),
+            "libs": " ".join(map(lambda x: "-l" + x, DLIBS)),
+            "argv": " ".join(sys.argv[1:]),
+        },
+    )
 
-  print "compiling..."
-  res = os.system(cmd)
+    print("compiling...")
+    print("  {}".format(cmd))
+    res = os.system(cmd)
 
-  print "deleting temporary files..."
-  if os.path.exists(TEMPSRC_DIR):
-      shutil.rmtree(TEMPSRC_DIR)
-
-  print "done" + (" with errors" if res else "")
+    print("deleting temporary files...")
+    if os.path.exists(TEMPSRC_DIR):
+        shutil.rmtree(TEMPSRC_DIR)
 
+    print("done" + (" with errors" if res else ""))
 
 
 if __name__ == "__main__":
-  main()
+    main()