diff --git a/src/libslic3r/PrintObject.cpp b/src/libslic3r/PrintObject.cpp
index 47b18e338..c0cb096f3 100644
--- a/src/libslic3r/PrintObject.cpp
+++ b/src/libslic3r/PrintObject.cpp
@@ -2789,6 +2789,7 @@ void PrintObject::bridge_over_infill()
                 }
 
                 ExPolygons new_internal_solids = to_expolygons(internal_solids);
+                new_internal_solids.insert(new_internal_solids.end(), additional_ensuring.begin(), additional_ensuring.end());
                 new_internal_solids = diff_ex(new_internal_solids, cut_from_infill);
                 new_internal_solids = union_safety_offset_ex(new_internal_solids);
                 for (const ExPolygon &ep : new_internal_solids) {