diff --git a/setup.py b/setup.py
index 85e77a74..00dd7446 100755
--- a/setup.py
+++ b/setup.py
@@ -110,7 +110,7 @@ def main():
             long_description = f.read()
 
         with open('telethon/version.py', encoding='utf-8') as f:
-            version = re.search(r"^__version__\s+=\s+'(.*)'$",
+            version = re.search(r"^__version__\s*=\s*'(.*)'.*$",
                                 f.read(), flags=re.MULTILINE).group(1)
         setup(
             name='Telethon',