diff --git a/src/dotnet/APIView/APIViewWeb/Helpers/CodeFileHelpers.cs b/src/dotnet/APIView/APIViewWeb/Helpers/CodeFileHelpers.cs
index 1bc54ab6c0d..67475d4ac68 100644
--- a/src/dotnet/APIView/APIViewWeb/Helpers/CodeFileHelpers.cs
+++ b/src/dotnet/APIView/APIViewWeb/Helpers/CodeFileHelpers.cs
@@ -509,7 +509,7 @@ private static void RemapDocumentationLines(List<ReviewLine> activeLines, Dictio
                 line.DiffKind = diffKind;
                 var newHashId = line.GetTokenNodeIdHash(newParentId, idx);
 
-                if (documentationRowMap.ContainsKey(oldHashId))
+                if (documentationRowMap.ContainsKey(oldHashId) && !newHashId.Equals(oldHashId))
                 {
                     documentationRowMap[newHashId] = documentationRowMap[oldHashId];
                     documentationRowMap.Remove(oldHashId);