diff --git a/src/mesh/mesh_generator.jl b/src/mesh/mesh_generator.jl
index c5093b02..1a74d0e3 100644
--- a/src/mesh/mesh_generator.jl
+++ b/src/mesh/mesh_generator.jl
@@ -19,7 +19,12 @@ function basic_mesh(; coef_x = 1.0, coef_y = 1.0)
     # cell->node connectivity indices :
     cell2node = Connectivity([4, 4, 3], [1, 2, 6, 5, 2, 3, 7, 6, 3, 4, 7])
 
-    return Mesh(nodes, celltypes, cell2node)
+    # Prepare boundary nodes
+    bnd_name = "BORDER"
+    tag2name = Dict(1 => bnd_name)
+    tag2nodes = Dict(1 => collect(1:7))
+
+    return Mesh(nodes, celltypes, cell2node; bc_names = tag2name, bc_nodes = tag2nodes)
 end
 
 """