diff --git a/NEWS b/NEWS
index 947dd91d27f..ca2206d8432 100644
--- a/NEWS
+++ b/NEWS
@@ -5,6 +5,7 @@ PHP                                                                        NEWS
   SoapServer::setClass() method). (Dmitry)
 - Added support for hexadecimal entity in imagettftext() for the bundled GD.
   (Pierre)
+- Fixed bug #38653 (memory leak in ReflectionClass::getConstant()). (Tony)
 - Fixed bug #38637 (curl_copy_handle() fails to fully copy the cURL handle).
   (Tony, Ilia)
 - Fixed bug #38624 (Strange warning when incrementing an object property and 
diff --git a/ext/reflection/php_reflection.c b/ext/reflection/php_reflection.c
index 62d30956fbf..33b08423015 100644
--- a/ext/reflection/php_reflection.c
+++ b/ext/reflection/php_reflection.c
@@ -211,6 +211,7 @@ static void _default_get_entry(zval *object, char *name, int name_len, zval *ret
 
 	*return_value = **value;
 	zval_copy_ctor(return_value);
+	INIT_PZVAL(return_value);
 }
 
 static void reflection_register_implement(zend_class_entry *class_entry, zend_class_entry *interface_entry TSRMLS_DC)
@@ -3224,6 +3225,7 @@ ZEND_METHOD(reflection_class, getConstant)
 	}
 	*return_value = **value;
 	zval_copy_ctor(return_value);
+	INIT_PZVAL(return_value);
 }
 /* }}} */
 
diff --git a/ext/reflection/tests/bug38653.phpt b/ext/reflection/tests/bug38653.phpt
new file mode 100644
index 00000000000..68781d2aba1
--- /dev/null
+++ b/ext/reflection/tests/bug38653.phpt
@@ -0,0 +1,28 @@
+--TEST--
+Bug #38653 (memory leak in ReflectionClass::getConstant())
+--FILE--
+<?php
+
+class foo {
+	    const cons = 10;
+	    const cons1 = "";
+	    const cons2 = "test";
+}
+
+class bar extends foo {
+}
+
+$foo = new ReflectionClass("foo");
+var_dump($foo->getConstant("cons"));
+var_dump($foo->getConstant("cons1"));
+var_dump($foo->getConstant("cons2"));
+var_dump($foo->getConstant("no such const"));
+
+echo "Done\n";
+?>
+--EXPECTF--	
+int(10)
+string(0) ""
+string(4) "test"
+bool(false)
+Done