diff --git a/src/meshio/vtk/_main.py b/src/meshio/vtk/_main.py
index 1e8e7178..0dad2d2f 100644
--- a/src/meshio/vtk/_main.py
+++ b/src/meshio/vtk/_main.py
@@ -40,7 +40,7 @@ def write(filename, mesh, fmt_version: str = "5.1", **kwargs):
     read,
     {
         "vtk42": _vtk_42.write,
-        "vtk51": _vtk_42.write,
+        "vtk51": _vtk_51.write,
         "vtk": _vtk_51.write,
     },
 )