diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index 233a05549..dfd3bd82c 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -2171,7 +2171,7 @@ LayerResult GCode::process_layer(
 
     std::vector<const Layer*> layers_ptrs;
     layers_ptrs.reserve(layers.size());
-    for (const LayerToPrint &layer_to_print : layers) {
+    for (const ObjectLayerToPrint &layer_to_print : layers) {
         layers_ptrs.push_back(layer_to_print.object_layer);
     }
     m_extrusion_quality_estimator.prepare_for_new_layer(layers_ptrs);
diff --git a/src/libslic3r/SupportSpotsGenerator.cpp b/src/libslic3r/SupportSpotsGenerator.cpp
index 0aaae7315..07055576a 100644
--- a/src/libslic3r/SupportSpotsGenerator.cpp
+++ b/src/libslic3r/SupportSpotsGenerator.cpp
@@ -670,7 +670,7 @@ SupportPoints check_stability(const PrintObject *po, const Params &params)
     SupportPoints            supp_points{};
     SupportGridFilter supports_presence_grid(po, params.min_distance_between_support_points);
     ActiveObjectParts active_object_parts{};
-    LD                prev_layer_ext_perim_lines({});
+    LD                prev_layer_ext_perim_lines;
 
     std::unordered_map<size_t, size_t>          prev_slice_idx_to_object_part_mapping;
     std::unordered_map<size_t, size_t>          next_slice_idx_to_object_part_mapping;