diff --git a/apps/sample/polygonmesh_polychord_collapse/main.cpp b/apps/sample/polygonmesh_polychord_collapse/polygonmesh_polychord_collapse.cpp
similarity index 100%
rename from apps/sample/polygonmesh_polychord_collapse/main.cpp
rename to apps/sample/polygonmesh_polychord_collapse/polygonmesh_polychord_collapse.cpp
diff --git a/apps/sample/polygonmesh_polychord_collapse/polygonmesh_polycoord_collapse.pro b/apps/sample/polygonmesh_polychord_collapse/polygonmesh_polychord_collapse.pro
similarity index 100%
rename from apps/sample/polygonmesh_polychord_collapse/polygonmesh_polycoord_collapse.pro
rename to apps/sample/polygonmesh_polychord_collapse/polygonmesh_polychord_collapse.pro