diff --git a/src/Unittests/TestFiles/NonManifold.ovm b/src/Unittests/TestFiles/NonManifold.ovm
new file mode 100644
index 0000000000000000000000000000000000000000..a5e770da2ebb56992af3b67b9c4432553660a836
--- /dev/null
+++ b/src/Unittests/TestFiles/NonManifold.ovm
@@ -0,0 +1,54 @@
+OVM
+Vertices
+12
+0 0 0
+1 0 0
+1 1 0
+0 1 0
+0 0 1
+1 0 1
+1 1 1
+0 1 1
+2 1 0
+2 1 1
+3 1 1
+-0.5 0.5 0.5
+Edges
+20
+0 1
+1 2
+2 3
+3 0
+4 5
+5 6
+6 7
+7 4
+1 5
+4 0
+2 6
+7 3
+2 8
+8 9
+9 6
+9 10
+11 0
+11 3
+11 7
+4 11
+Faces
+11
+4 0 2 4 6
+4 8 10 12 14
+4 16 10 21 3
+4 19 15 22 6
+4 0 16 9 18
+4 5 20 12 22
+4 24 26 28 21
+3 7 35 32
+3 23 37 34
+3 36 14 38
+3 18 33 39
+Polyhedra
+2
+6 1 2 5 6 8 11
+5 15 17 19 21 7
diff --git a/src/Unittests/unittests_files.hh b/src/Unittests/unittests_files.hh
index c8b23763b67f9bfb5b30a7cfcea596a834d7a738..4edd41de339cfa1260cff25dd189af35ce63af7a 100644
--- a/src/Unittests/unittests_files.hh
+++ b/src/Unittests/unittests_files.hh
@@ -18,6 +18,18 @@ TEST_F(PolyhedralMeshBase, LoadFile) {
   EXPECT_EQ(288u, mesh_.n_cells());
 }
 
+TEST_F(PolyhedralMeshBase, LoadNonManifoldMesh) {
+
+  OpenVolumeMesh::IO::FileManager fileManager;
+
+  ASSERT_TRUE(fileManager.readFile("NonManifold.ovm", mesh_));
+
+  EXPECT_EQ(12u, mesh_.n_vertices());
+  EXPECT_EQ(20u, mesh_.n_edges());
+  EXPECT_EQ(11u, mesh_.n_faces());
+  EXPECT_EQ(2u, mesh_.n_cells());
+}
+
 TEST_F(HexahedralMeshBase, LoadFile) {
 
   OpenVolumeMesh::IO::FileManager fileManager;