diff --git a/pyproject.toml b/pyproject.toml
index f7071d94..518107c1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -90,4 +90,4 @@ line-length = 200
 max-line-length = 200
 
 [tool.flake8]
-extend-ignore = E501, W292, W291, W293
\ No newline at end of file
+extend-ignore = "E501, W292, W291, W293"
\ No newline at end of file