diff --git a/CHANGELOG.md b/CHANGELOG.md
index 97ec8d2d2ed..72ddc0c3a0f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -74,6 +74,7 @@ We refer to [GitHub issues](https://github.com/JabRef/jabref/issues) by using `#
 - We fixed an issue where renaming referenced files for bib entries with long titles was not possible. [#5603](https://github.com/JabRef/jabref/issues/5603)
 - We fixed an issue where a window which is on an external screen gets unreachable when external screen is removed. [#5037](https://github.com/JabRef/jabref/issues/5037)
 - We fixed a bug where the selection of groups was lost after drag and drop. [#2868](https://github.com/JabRef/jabref/issues/2868)
+- We fixed an issue where the custom entry types didn't show the correct display name [#5651](https://github.com/JabRef/jabref/issues/5651)
 
 ### Removed
 
diff --git a/src/main/java/org/jabref/gui/importer/ImportCustomEntryTypesDialog.fxml b/src/main/java/org/jabref/gui/importer/ImportCustomEntryTypesDialog.fxml
index 791543daf23..bdc708e4f83 100644
--- a/src/main/java/org/jabref/gui/importer/ImportCustomEntryTypesDialog.fxml
+++ b/src/main/java/org/jabref/gui/importer/ImportCustomEntryTypesDialog.fxml
@@ -13,7 +13,6 @@
          <children>
             <Label text="%Custom entry types found in file" />
             <Label text="%Select all customized types to be stored in local preferences:" />
-            <Label text="%Currently unknown:" />
             <CheckListView fx:id="unknownEntryTypesCheckList" />
             <VBox fx:id="boxDifferentCustomization">
                <children>
diff --git a/src/main/java/org/jabref/gui/importer/ImportCustomEntryTypesDialog.java b/src/main/java/org/jabref/gui/importer/ImportCustomEntryTypesDialog.java
index e61fa7910d0..33bac06e2d4 100644
--- a/src/main/java/org/jabref/gui/importer/ImportCustomEntryTypesDialog.java
+++ b/src/main/java/org/jabref/gui/importer/ImportCustomEntryTypesDialog.java
@@ -7,6 +7,7 @@
 import javafx.beans.binding.Bindings;
 import javafx.fxml.FXML;
 import javafx.scene.control.ButtonType;
+import javafx.scene.control.cell.CheckBoxListCell;
 import javafx.scene.layout.VBox;
 
 import org.jabref.gui.util.BaseDialog;
@@ -50,10 +51,16 @@ public ImportCustomEntryTypesDialog(BibDatabaseMode mode, List<BibEntryType> cus
     @FXML
     public void initialize() {
         viewModel = new ImportCustomEntryTypesDialogViewModel(mode, customEntryTypes, preferencesService);
-
         boxDifferentCustomization.visibleProperty().bind(Bindings.isNotEmpty(viewModel.differentCustomizations()));
         boxDifferentCustomization.managedProperty().bind(Bindings.isNotEmpty(viewModel.differentCustomizations()));
         unknownEntryTypesCheckList.setItems(viewModel.newTypes());
+        unknownEntryTypesCheckList.setCellFactory(listView -> new CheckBoxListCell<>(unknownEntryTypesCheckList::getItemBooleanProperty) {
+            @Override
+            public void updateItem(BibEntryType bibEntryType, boolean empty) {
+                super.updateItem(bibEntryType, empty);
+                setText(bibEntryType == null ? "" : bibEntryType.getType().getDisplayName());
+            }
+        });
         differentCustomizationCheckList.setItems(viewModel.differentCustomizations());
     }