diff --git a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/repair_polygon_soup.h b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/repair_polygon_soup.h
index 1c1f145774e..fdc57bf0c05 100644
--- a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/repair_polygon_soup.h
+++ b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/repair_polygon_soup.h
@@ -30,6 +30,7 @@
 #include <map>
 #include <set>
 #include <vector>
+#include <deque>
 #include <utility>
 #include <unordered_map>
 #include <unordered_set>