diff --git a/tools/test-proxy/Azure.Sdk.Tools.TestProxy/Common/SanitizerDictionary.cs b/tools/test-proxy/Azure.Sdk.Tools.TestProxy/Common/SanitizerDictionary.cs
index 1bf01cd3024..66a606a8d44 100644
--- a/tools/test-proxy/Azure.Sdk.Tools.TestProxy/Common/SanitizerDictionary.cs
+++ b/tools/test-proxy/Azure.Sdk.Tools.TestProxy/Common/SanitizerDictionary.cs
@@ -661,6 +661,10 @@ public SanitizerDictionary() {
                     new BodyKeySanitizer("$..resourceLocation"),
                     "AZSDK3496"
                 ),
+                new RegisteredSanitizer(
+                    new BodyKeySanitizer("$..keyVaultClientId", value: EMPTYGUID),
+                    "AZSDK3497"
+                ),
                 #endregion
                 #region UriRegex
                 new RegisteredSanitizer(