diff --git a/crates/nu_plugin_polars/src/dataframe/eager/append.rs b/crates/nu_plugin_polars/src/dataframe/eager/append.rs
index 4b2ae3e0d1..3252ee81a1 100644
--- a/crates/nu_plugin_polars/src/dataframe/eager/append.rs
+++ b/crates/nu_plugin_polars/src/dataframe/eager/append.rs
@@ -18,7 +18,7 @@ impl PluginCommand for AppendDF {
     fn signature(&self) -> Signature {
         Signature::build(self.name())
             .required("other", SyntaxShape::Any, "other dataframe to append")
-            .switch("col", "append as new columns instead of rows", None)
+            .switch("col", "append as new columns instead of rows", Some('c'))
             .input_output_type(
                 Type::Custom("dataframe".into()),
                 Type::Custom("dataframe".into()),