diff --git a/crates/nu_plugin_polars/src/dataframe/values/nu_dataframe/custom_value.rs b/crates/nu_plugin_polars/src/dataframe/values/nu_dataframe/custom_value.rs
index b94f812dac..5913ba56d3 100644
--- a/crates/nu_plugin_polars/src/dataframe/values/nu_dataframe/custom_value.rs
+++ b/crates/nu_plugin_polars/src/dataframe/values/nu_dataframe/custom_value.rs
@@ -27,7 +27,7 @@ impl CustomValue for NuDataFrameCustomValue {
     }
 
     fn type_name(&self) -> String {
-        "NuDataFrameCustomValue".into()
+        "NuDataFrame".into()
     }
 
     fn to_base_value(&self, span: Span) -> Result<Value, ShellError> {
diff --git a/crates/nu_plugin_polars/src/dataframe/values/nu_lazyframe/custom_value.rs b/crates/nu_plugin_polars/src/dataframe/values/nu_lazyframe/custom_value.rs
index b3cd9500dd..abce1a9e7b 100644
--- a/crates/nu_plugin_polars/src/dataframe/values/nu_lazyframe/custom_value.rs
+++ b/crates/nu_plugin_polars/src/dataframe/values/nu_lazyframe/custom_value.rs
@@ -27,7 +27,7 @@ impl CustomValue for NuLazyFrameCustomValue {
     }
 
     fn type_name(&self) -> String {
-        "NuLazyFrameCustomValue".into()
+        "NuLazyFrame".into()
     }
 
     fn to_base_value(&self, span: Span) -> Result<Value, ShellError> {
diff --git a/crates/nu_plugin_polars/src/dataframe/values/nu_lazygroupby/custom_value.rs b/crates/nu_plugin_polars/src/dataframe/values/nu_lazygroupby/custom_value.rs
index 03327259bb..47cbad1cb4 100644
--- a/crates/nu_plugin_polars/src/dataframe/values/nu_lazygroupby/custom_value.rs
+++ b/crates/nu_plugin_polars/src/dataframe/values/nu_lazygroupby/custom_value.rs
@@ -19,7 +19,7 @@ impl CustomValue for NuLazyGroupByCustomValue {
     }
 
     fn type_name(&self) -> String {
-        "NuLazyGroupByCustomValue".into()
+        "NuLazyGroupBy".into()
     }
 
     fn to_base_value(&self, span: Span) -> Result<Value, ShellError> {
diff --git a/crates/nu_plugin_polars/src/dataframe/values/nu_when/custom_value.rs b/crates/nu_plugin_polars/src/dataframe/values/nu_when/custom_value.rs
index 5d64bbf011..c8d1303d66 100644
--- a/crates/nu_plugin_polars/src/dataframe/values/nu_when/custom_value.rs
+++ b/crates/nu_plugin_polars/src/dataframe/values/nu_when/custom_value.rs
@@ -20,7 +20,7 @@ impl CustomValue for NuWhenCustomValue {
     }
 
     fn type_name(&self) -> String {
-        "NuWhenCustomValue".into()
+        "NuWhen".into()
     }
 
     fn to_base_value(&self, span: Span) -> Result<Value, ShellError> {