diff --git a/Zend/zend_gc.h b/Zend/zend_gc.h
index a52de1bfcfa..262d656c24e 100644
--- a/Zend/zend_gc.h
+++ b/Zend/zend_gc.h
@@ -141,6 +141,18 @@ static zend_always_inline void zend_get_gc_buffer_add_obj(
 	gc_buffer->cur++;
 }
 
+static zend_always_inline void zend_get_gc_buffer_add_ht(
+		zend_get_gc_buffer *gc_buffer, HashTable *ht) {
+	if (GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) {
+		return;
+	}
+	if (UNEXPECTED(gc_buffer->cur == gc_buffer->end)) {
+		zend_get_gc_buffer_grow(gc_buffer);
+	}
+	ZVAL_ARR(gc_buffer->cur, ht);
+	gc_buffer->cur++;
+}
+
 static zend_always_inline void zend_get_gc_buffer_add_ptr(
 		zend_get_gc_buffer *gc_buffer, void *ptr) {
 	if (UNEXPECTED(gc_buffer->cur == gc_buffer->end)) {