diff --git a/Zend/zend_execute_API.c b/Zend/zend_execute_API.c
index 2eb3463effd..8fb85f0d2f2 100644
--- a/Zend/zend_execute_API.c
+++ b/Zend/zend_execute_API.c
@@ -807,8 +807,8 @@ cleanup_args:
 		zval *arg;
 		uint32_t arg_num = ZEND_CALL_NUM_ARGS(call) + 1;
 		zend_bool have_named_params = 0;
-		zend_bool must_wrap = 0;
 		ZEND_HASH_FOREACH_STR_KEY_VAL(fci->named_params, name, arg) {
+			zend_bool must_wrap = 0;
 			zval *target;
 			if (name) {
 				void *cache_slot[2] = {NULL, NULL};
diff --git a/ext/reflection/tests/bug80299.phpt b/ext/reflection/tests/bug80299.phpt
new file mode 100644
index 00000000000..61aec5b1ce0
--- /dev/null
+++ b/ext/reflection/tests/bug80299.phpt
@@ -0,0 +1,15 @@
+--TEST--
+Bug #80299: ReflectionFunction->invokeArgs confused in arguments
+--FILE--
+<?php
+
+$bar = new DateTime();
+$args = [1, &$bar];
+
+$function = function (int &$foo, DateTimeInterface &$bar) {};
+
+(new ReflectionFunction($function))->invokeArgs($args);
+
+?>
+--EXPECTF--
+Warning: {closure}(): Argument #1 ($foo) must be passed by reference, value given in %s on line %d