diff --git a/igor2/__init__.py b/igor2/__init__.py
index de5a36c..31f2c33 100644
--- a/igor2/__init__.py
+++ b/igor2/__init__.py
@@ -2,7 +2,7 @@
 """Interface for reading binary IGOR files."""
 try:
     from ._version import __version__, __version_tuple__
-except ImportError
+except ImportError:
     # semver not working on Python 3.6
     __version__ = "unknown"