diff --git a/src/layoutparser/tools/shape_operations.py b/src/layoutparser/tools/shape_operations.py
index 1f60ab6..47dc077 100644
--- a/src/layoutparser/tools/shape_operations.py
+++ b/src/layoutparser/tools/shape_operations.py
@@ -126,7 +126,7 @@ def is_line_wise_close(token_a, token_b, x_tolerance, y_tolerance):
     detected_lines = generalized_connected_component_analysis_1d(
         layout,
         scoring_func=partial(
-            is_line_wise_close, y_tolerance=x_tolerance, x_tolerance=y_tolerance
+            is_line_wise_close, y_tolerance=y_tolerance, x_tolerance=x_tolerance
         ),
         aggregation_func=lambda seq: reduce(layout[0].__class__.union, seq),
     )