diff --git a/bindings/python/tests/cindex/test_diagnostics.py b/bindings/python/tests/cindex/test_diagnostics.py
index c1ff0e38ba..98f97d3bd3 100644
--- a/bindings/python/tests/cindex/test_diagnostics.py
+++ b/bindings/python/tests/cindex/test_diagnostics.py
@@ -36,7 +36,7 @@ def test_diagnostic_fixit():
     assert len(tu.diagnostics) == 1
     assert tu.diagnostics[0].severity == Diagnostic.Warning
     assert tu.diagnostics[0].location.line == 1
-    assert tu.diagnostics[0].location.column == 31
+    assert tu.diagnostics[0].location.column == 26
     assert tu.diagnostics[0].spelling.startswith('use of GNU old-style')
     assert len(tu.diagnostics[0].fixits) == 1
     assert tu.diagnostics[0].fixits[0].range.start.line == 1