diff --git a/editor/editor_file_system.cpp b/editor/editor_file_system.cpp
index 4911d5c702d..b3abbb9e70f 100644
--- a/editor/editor_file_system.cpp
+++ b/editor/editor_file_system.cpp
@@ -3205,7 +3205,6 @@ void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
 }
 
 Error EditorFileSystem::reimport_append(const String &p_file, const HashMap<StringName, Variant> &p_custom_options, const String &p_custom_importer, Variant p_generator_parameters) {
-	ERR_FAIL_COND_V_MSG(!importing, ERR_INVALID_PARAMETER, "Can only append files to import during a current reimport process.");
 	Vector<String> reloads;
 	reloads.append(p_file);
 
diff --git a/editor/import/editor_import_plugin.cpp b/editor/import/editor_import_plugin.cpp
index 27b59d3bef5..82710103e1f 100644
--- a/editor/import/editor_import_plugin.cpp
+++ b/editor/import/editor_import_plugin.cpp
@@ -214,6 +214,7 @@ Error EditorImportPlugin::_append_import_external_resource(const String &p_file,
 }
 
 Error EditorImportPlugin::append_import_external_resource(const String &p_file, const HashMap<StringName, Variant> &p_custom_options, const String &p_custom_importer, Variant p_generator_parameters) {
+	ERR_FAIL_COND_V_MSG(!EditorFileSystem::get_singleton()->is_importing(), ERR_INVALID_PARAMETER, "Can only append files to import during a current reimport process.");
 	return EditorFileSystem::get_singleton()->reimport_append(p_file, p_custom_options, p_custom_importer, p_generator_parameters);
 }