diff --git a/memory_mapping.c b/memory_mapping.c
index 6a39d71da2..a5d38552a6 100644
--- a/memory_mapping.c
+++ b/memory_mapping.c
@@ -337,6 +337,7 @@ void memory_mapping_filter(MemoryMappingList *list, int64_t begin,
         if (cur->phys_addr >= begin + length ||
             cur->phys_addr + cur->length <= begin) {
             QTAILQ_REMOVE(&list->head, cur, next);
+            g_free(cur);
             list->num--;
             continue;
         }