diff --git a/modules/gdscript/gdscript_editor.cpp b/modules/gdscript/gdscript_editor.cpp
index 87617cafabb2..f88db011753e 100644
--- a/modules/gdscript/gdscript_editor.cpp
+++ b/modules/gdscript/gdscript_editor.cpp
@@ -3561,7 +3561,8 @@ ::Error GDScriptLanguage::lookup_code(const String &p_code, const String &p_symb
 		case GDScriptParser::COMPLETION_ASSIGN:
 		case GDScriptParser::COMPLETION_CALL_ARGUMENTS:
 		case GDScriptParser::COMPLETION_IDENTIFIER:
-		case GDScriptParser::COMPLETION_PROPERTY_METHOD: {
+		case GDScriptParser::COMPLETION_PROPERTY_METHOD:
+		case GDScriptParser::COMPLETION_SUBSCRIPT: {
 			GDScriptParser::DataType base_type;
 			if (context.current_class) {
 				if (context.type != GDScriptParser::COMPLETION_SUPER_METHOD) {