diff --git a/src/diana/diana.py b/src/diana/diana.py
--- a/src/diana/diana.py
+++ b/src/diana/diana.py
@@ -4,8 +4,8 @@ import re
 from . import config as cfg
 from . import go
 from .go import BLACK, WHITE, EMPTY
-from .sgfParser import ParserError
-from .sgfParser.collection import Collection
+from .sgfparser import ParserError
+from .sgfparser.collection import Collection
 from .drawer.svg import Svg
 from .drawer.tikz import Tikz