diff --git a/modules/mono/editor/bindings_generator.cpp b/modules/mono/editor/bindings_generator.cpp
index 27280ac98f9..d39bdd31ff2 100644
--- a/modules/mono/editor/bindings_generator.cpp
+++ b/modules/mono/editor/bindings_generator.cpp
@@ -3799,6 +3799,8 @@ bool BindingsGenerator::_arg_default_value_is_assignable_to_type(const Variant &
 		case Variant::VECTOR2:
 		case Variant::RECT2:
 		case Variant::VECTOR3:
+		case Variant::VECTOR4:
+		case Variant::PROJECTION:
 		case Variant::RID:
 		case Variant::PACKED_BYTE_ARRAY:
 		case Variant::PACKED_INT32_ARRAY:
@@ -3828,7 +3830,10 @@ bool BindingsGenerator::_arg_default_value_is_assignable_to_type(const Variant &
 		case Variant::VECTOR3I:
 			return p_arg_type.name == name_cache.type_Vector3 ||
 					p_arg_type.name == Variant::get_type_name(p_val.get_type());
-		default:
+		case Variant::VECTOR4I:
+			return p_arg_type.name == name_cache.type_Vector4 ||
+					p_arg_type.name == Variant::get_type_name(p_val.get_type());
+		case Variant::VARIANT_MAX:
 			CRASH_NOW_MSG("Unexpected Variant type: " + itos(p_val.get_type()));
 			break;
 	}
@@ -4697,7 +4702,7 @@ bool BindingsGenerator::_arg_default_value_from_variant(const Variant &p_val, Ar
 					"Parameter of type '" + String(r_iarg.type.cname) + "' can only have null/zero as the default value.");
 			r_iarg.default_argument = "default";
 			break;
-		default:
+		case Variant::VARIANT_MAX:
 			ERR_FAIL_V_MSG(false, "Unexpected Variant type: " + itos(p_val.get_type()));
 			break;
 	}