diff --git a/src/gausskernel/runtime/executor/nodeModifyTable.cpp b/src/gausskernel/runtime/executor/nodeModifyTable.cpp
index 1564f6d4c..076084348 100644
--- a/src/gausskernel/runtime/executor/nodeModifyTable.cpp
+++ b/src/gausskernel/runtime/executor/nodeModifyTable.cpp
@@ -480,6 +480,7 @@ checktest:
                 errmsg("unexpected self-updated tuple")));
             break;
         case TM_Updated:
+        case TM_Deleted:
             ReleaseBuffer(buffer);
             if (IsolationUsesXactSnapshot()) {
                 ereport(ERROR, (errcode(ERRCODE_T_R_SERIALIZATION_FAILURE),