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 fec616d4767..d64fd32bc5a 100644
--- a/tools/test-proxy/Azure.Sdk.Tools.TestProxy/Common/SanitizerDictionary.cs
+++ b/tools/test-proxy/Azure.Sdk.Tools.TestProxy/Common/SanitizerDictionary.cs
@@ -449,11 +449,11 @@ public SanitizerDictionary() {
                     "AZSDK3443"
                 ),
                 new RegisteredSanitizer(
-                    new BodyKeySanitizer("$..principalId"),
+                    new BodyKeySanitizer("$..principalId", value: EMPTYGUID),
                     "AZSDK3444"
                 ),
                 new RegisteredSanitizer(
-                    new BodyKeySanitizer("$..clientId"),
+                    new BodyKeySanitizer("$..clientId", value: EMPTYGUID),
                     "AZSDK3445"
                 ),
                 new RegisteredSanitizer(