diff --git a/build/psalm-baseline.xml b/build/psalm-baseline.xml
index 9334147be3b20..94fcc8df0a1eb 100644
--- a/build/psalm-baseline.xml
+++ b/build/psalm-baseline.xml
@@ -4455,7 +4455,7 @@
     <InternalMethod occurrences="1">
       <code>ClientResolver::_default_signature_provider()</code>
     </InternalMethod>
-    <UndefinedFunction occurrences="1">
+    <UndefinedFunction occurrences="2">
       <code>\Aws\or_chain([self::class, 'legacySignatureProvider'], ClientResolver::_default_signature_provider())</code>
     </UndefinedFunction>
   </file>