diff --git a/Source/Editor/CustomEditors/Editors/GenericEditor.cs b/Source/Editor/CustomEditors/Editors/GenericEditor.cs
index ce8c8f749..113e6368b 100644
--- a/Source/Editor/CustomEditors/Editors/GenericEditor.cs
+++ b/Source/Editor/CustomEditors/Editors/GenericEditor.cs
@@ -270,6 +270,12 @@ namespace FlaxEditor.CustomEditors.Editors
                 for (int i = 0; i < properties.Length; i++)
                 {
                     var p = properties[i];
+
+                    // Indexed properties require arguments and cannot be represented by a normal property row.
+                    // Trying to read one (for example IList.Item[index]) throws TargetParameterCountException.
+                    if (p.Type is PropertyInfo managedProperty && managedProperty.GetIndexParameters().Length != 0)
+                        continue;
+
                     var attributes = p.GetAttributes(true);
                     var showInEditor = attributes.Any(x => x is ShowInEditorAttribute);