diff --git a/ext/curl/interface.c b/ext/curl/interface.c
index b325138d8392e..456e777649d1e 100644
--- a/ext/curl/interface.c
+++ b/ext/curl/interface.c
@@ -1270,8 +1270,39 @@ static HashTable *curl_get_gc(zend_object *object, zval **table, int *n)
 {
 	php_curl *curl = curl_from_obj(object);
 
-	*table = &curl->postfields;
-	*n = 1;
+	zend_get_gc_buffer *gc_buffer = zend_get_gc_buffer_create();
+
+	zend_get_gc_buffer_add_zval(gc_buffer, &curl->postfields);
+	if (curl->handlers) {
+		if (curl->handlers->read) {
+			zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers->read->func_name);
+			zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers->read->stream);
+		}
+
+		if (curl->handlers->write) {
+			zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers->write->func_name);
+			zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers->write->stream);
+		}
+
+		if (curl->handlers->write_header) {
+			zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers->write_header->func_name);
+			zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers->write_header->stream);
+		}
+
+		if (curl->handlers->progress) {
+			zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers->progress->func_name);
+		}
+
+#if LIBCURL_VERSION_NUM >= 0x071500
+		if (curl->handlers->fnmatch) {
+			zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers->fnmatch->func_name);
+		}
+#endif
+
+		zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers->std_err);
+	}
+
+	zend_get_gc_buffer_use(gc_buffer, table, n);
 
 	return zend_std_get_properties(object);
 }
diff --git a/ext/curl/multi.c b/ext/curl/multi.c
index 16d8c04954546..53cea454a016a 100644
--- a/ext/curl/multi.c
+++ b/ext/curl/multi.c
@@ -578,6 +578,23 @@ void curl_multi_free_obj(zend_object *object)
 	zend_object_std_dtor(&mh->std);
 }
 
+static HashTable *curl_multi_get_gc(zend_object *object, zval **table, int *n)
+{
+	php_curlm *curl_multi = curl_multi_from_obj(object);
+
+	zend_get_gc_buffer *gc_buffer = zend_get_gc_buffer_create();
+
+	if (curl_multi->handlers) {
+		if (curl_multi->handlers->server_push) {
+			zend_get_gc_buffer_add_zval(gc_buffer, &curl_multi->handlers->server_push->func_name);
+		}
+	}
+
+	zend_get_gc_buffer_use(gc_buffer, table, n);
+
+	return zend_std_get_properties(object);
+}
+
 void curl_multi_register_class(void) {
 	zend_class_entry ce_multi;
 	INIT_CLASS_ENTRY(ce_multi, "CurlMulti", curl_multi_methods);
@@ -590,6 +607,7 @@ void curl_multi_register_class(void) {
 	memcpy(&curl_multi_handlers, &std_object_handlers, sizeof(zend_object_handlers));
 	curl_multi_handlers.offset = XtOffsetOf(php_curlm, std);
 	curl_multi_handlers.free_obj = curl_multi_free_obj;
+	curl_multi_handlers.get_gc = curl_multi_get_gc;
 	curl_multi_handlers.get_constructor = curl_multi_get_constructor;
 	curl_multi_handlers.clone_obj = NULL;
 }