diff --git a/tqdm/utils.py b/tqdm/utils.py
index f7060be5..af3ec7de 100644
--- a/tqdm/utils.py
+++ b/tqdm/utils.py
@@ -14,7 +14,7 @@ from weakref import proxy
 _range, _unich, _unicode, _basestring = range, chr, str, str
 CUR_OS = sys.platform
 IS_WIN = any(CUR_OS.startswith(i) for i in ['win32', 'cygwin'])
-IS_NIX = any(CUR_OS.startswith(i) for i in ['aix', 'linux', 'darwin'])
+IS_NIX = any(CUR_OS.startswith(i) for i in ['aix', 'linux', 'darwin', 'freebsd'])
 RE_ANSI = re.compile(r"\x1b\[[;\d]*[A-Za-z]")
 
 try: