diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index e738f85a1..dad42347a 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -222,6 +222,7 @@ PAddr MemoryManager::Allocate(PAddr search_start, PAddr search_end, size_t size,
     auto& area = CarveDmemArea(mapping_start, size)->second;
     area.memory_type = memory_type;
     area.is_free = false;
+    MergeAdjacent(dmem_map, dmem_area);
     return mapping_start;
 }