diff --git a/binaries/system/collada2pmd.py b/binaries/system/collada2pmd.py
index fba52520d0..f72c81f60a 100644
--- a/binaries/system/collada2pmd.py
+++ b/binaries/system/collada2pmd.py
@@ -13,7 +13,12 @@ if not os.path.exists(input_filename):
 	print "Cannot find input file '%s'" % input_filename
 	sys.exit(-1)
 
-library = cdll.LoadLibrary('Collada.dll')
+dll_filename = {
+	'posix': './libCollada_dbg.so',
+	'nt': 'Collada.dll',
+}[os.name]
+
+library = cdll.LoadLibrary(dll_filename)
 
 def log(severity, message):
 	print '[%s] %s' % (('INFO', 'WARNING', 'ERROR')[severity], message)
@@ -23,14 +28,14 @@ clog = CFUNCTYPE(None, c_int, c_char_p)(log)
 library.set_logger(clog)
 
 def convert_dae_to_pmd(filename):
-	output = ['']
+	output = []
 	def cb(str, len):
-		output[0] += string_at(str, len)
+		output.append(string_at(str, len))
 
 	cbtype = CFUNCTYPE(None, POINTER(c_char), c_uint)
 	status = library.convert_dae_to_pmd(filename, cbtype(cb))
 	assert(status == 0)
-	return output[0]
+	return ''.join(output)
 
 input = open(input_filename).read()
 output = convert_dae_to_pmd(input)