diff --git a/NEWS b/NEWS
index 1c3eee15354..35449c46948 100644
--- a/NEWS
+++ b/NEWS
@@ -2,8 +2,10 @@ PHP                                                                        NEWS
 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 ?? ??? ????, PHP 8.0.0RC4
 
-- Standard:
+- Opcache:
+  . Fixed run-time binding of preloaded dynamically declared function. (Dmitry)
 
+- Standard:
   . Don't force rebuild of symbol table, when populating $http_response_header
     variable by the HTTP stream wrapper. (Dmitry)
 
diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
index d5318f30a5a..60b0948a478 100644
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -1082,7 +1082,11 @@ ZEND_API zend_result do_bind_function(zval *lcname) /* {{{ */
 		return FAILURE;
 	}
 	function = (zend_function*)Z_PTR_P(zv);
-	zv = zend_hash_set_bucket_key(EG(function_table), (Bucket*)zv, Z_STR_P(lcname));
+	if (UNEXPECTED(function->common.fn_flags & ZEND_ACC_PRELOADED)) {
+		zv = zend_hash_add(EG(function_table), Z_STR_P(lcname), zv);
+	} else {
+		zv = zend_hash_set_bucket_key(EG(function_table), (Bucket*)zv, Z_STR_P(lcname));
+	}
 	if (UNEXPECTED(!zv)) {
 		do_bind_function_error(Z_STR_P(lcname), &function->op_array, 0);
 		return FAILURE;