diff --git a/src/libslic3r/Fill/Fill.cpp b/src/libslic3r/Fill/Fill.cpp
index c85c69e8e56..649afccf573 100644
--- a/src/libslic3r/Fill/Fill.cpp
+++ b/src/libslic3r/Fill/Fill.cpp
@@ -9814,11 +9814,11 @@ static bool top_surface_image_append_recolored_perimeter_path(ExtrusionEntitiesP
         for (int step = 0; step < steps; ++step) {
             const double t0 = double(step) / double(steps);
             const double t1 = double(step + 1) / double(steps);
-            const Point q0 = lerp(p0, p1, t0);
-            const Point q1 = lerp(p0, p1, t1);
+            const Point q0 = lerp(p0, p1, t0).to_point();
+            const Point q1 = lerp(p0, p1, t1).to_point();
             if (q0 == q1)
                 continue;
-            const Point qm = lerp(p0, p1, 0.5 * (t0 + t1));
+            const Point qm = lerp(p0, p1, 0.5 * (t0 + t1)).to_point();
             int extruder_override = top_surface_image_perimeter_override_at_point(qm, masks);
             if (extruder_override >= 0 && len_mm / double(steps) < min_run_mm - EPSILON)
                 extruder_override = -1;
@@ -10866,8 +10866,8 @@ static ExtrusionPaths top_surface_image_split_path(const ExtrusionPath &path,
     for (size_t point_idx = 1; point_idx < path.polyline.points.size(); ++point_idx) {
         if ((point_idx & 63) == 1)
             check_canceled(throw_if_canceled);
-        const Point p0 = path.polyline.points[point_idx - 1];
-        const Point p1 = path.polyline.points[point_idx];
+        const Point p0 = path.polyline.points[point_idx - 1].to_point();
+        const Point p1 = path.polyline.points[point_idx].to_point();
         const double len_mm = unscale<double>(p0.distance_to(p1));
         if (!std::isfinite(len_mm) || len_mm <= EPSILON)
             continue;