diff --git a/src/org/ntlab/traceDebugger/analyzerProvider/DeltaExtractor.java b/src/org/ntlab/traceDebugger/analyzerProvider/DeltaExtractor.java
index 2ea2ea6..e3f49f4 100644
--- a/src/org/ntlab/traceDebugger/analyzerProvider/DeltaExtractor.java
+++ b/src/org/ntlab/traceDebugger/analyzerProvider/DeltaExtractor.java
@@ -183,6 +183,11 @@
 				removeList.add(enclosingObj);
 				existsInFields++;
 				removeList.add(thisObjectId);		// ��ň�U�AthisObject ����菜��
+				if (enclosingObj.equals(srcObject.getId())) {
+					srcAliasList.put(enclosingObj, new DeltaAlias(Alias.AliasType.FIELD, 0, enclosingObj, tracePoint.duplicate(), true));
+				} else if (enclosingObj.equals(dstObject.getId())) {
+					dstAliasList.put(enclosingObj, new DeltaAlias(Alias.AliasType.FIELD, 0, enclosingObj, tracePoint.duplicate(), false));
+				}
 			}
 		}