--- SConstruct
+++ SConstruct
@@ -166,8 +166,8 @@
 match = re.search('SERF_MAJOR_VERSION ([0-9]+).*'
                   'SERF_MINOR_VERSION ([0-9]+).*'
                   'SERF_PATCH_VERSION ([0-9]+)',
-                  env.File('serf.h').get_contents(),
-                  re.DOTALL)
+                  env.File('serf.h').get_contents().decode(),
+                  flags=re.DOTALL)
 MAJOR, MINOR, PATCH = [int(x) for x in match.groups()]
 env.Append(MAJOR=str(MAJOR))
 env.Append(MINOR=str(MINOR))
@@ -183,7 +183,7 @@
 
 unknown = opts.UnknownVariables()
 if unknown:
-  print 'Warning: Used unknown variables:', ', '.join(unknown.keys())
+  print('Warning: Used unknown variables:', ', '.join(unknown.keys()))
 
 apr = str(env['APR'])
 apu = str(env['APU'])