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acts-project · Dec 16, 2024 · 4c72855 · 4c72855
1 parent b356090
commit 4c72855
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Core/include/Acts/Propagator/Navigator.hpp b/Core/include/Acts/Propagator/Navigator.hpp
@@ -1019,7 +1019,7 @@ class Navigator {
     std::ranges::sort(
         state.navigation.navSurfaces,
         [&state, &externalSurfaces](const SurfaceIntersection& a,
-                                    SurfaceIntersection& b) {
+                                    const SurfaceIntersection& b) {
           // Prefer to sort by path length. We assume surfaces are at the same
           // distance if the difference is smaller than the tolerance.
           if (std::abs(a.pathLength() - b.pathLength()) >