diff --git a/Code/Framework/AzCore/AzCore/DOM/DomValueWriter.cpp b/Code/Framework/AzCore/AzCore/DOM/DomValueWriter.cpp
index b7ed44f8de..210d1fa123 100644
--- a/Code/Framework/AzCore/AzCore/DOM/DomValueWriter.cpp
+++ b/Code/Framework/AzCore/AzCore/DOM/DomValueWriter.cpp
@@ -134,7 +134,7 @@ namespace AZ::Dom
             return VisitorFailure(
                 VisitorErrorCode::InternalError,
                 AZStd::string::format(
-                    "AZ::Dom::ValueWriter: %s expected %llu attributes but received %llu attributes instead", endMethodName, attributeCount,
+                    "AZ::Dom::ValueWriter: %s expected %llu attributes but received %zu attributes instead", endMethodName, attributeCount,
                     buffer.m_attributes.size()));
         }
 
@@ -143,7 +143,7 @@ namespace AZ::Dom
             return VisitorFailure(
                 VisitorErrorCode::InternalError,
                 AZStd::string::format(
-                    "AZ::Dom::ValueWriter: %s expected %llu elements but received %llu elements instead", endMethodName, elementCount,
+                    "AZ::Dom::ValueWriter: %s expected %llu elements but received %zu elements instead", endMethodName, elementCount,
                     buffer.m_elements.size()));
         }