diff --git a/src/Elastic.Clients.Elasticsearch/Serialization/DoubleWithFractionalPortionConverter.cs b/src/Elastic.Clients.Elasticsearch/Serialization/DoubleWithFractionalPortionConverter.cs
index 6e716c69af7..27d6a622aa3 100644
--- a/src/Elastic.Clients.Elasticsearch/Serialization/DoubleWithFractionalPortionConverter.cs
+++ b/src/Elastic.Clients.Elasticsearch/Serialization/DoubleWithFractionalPortionConverter.cs
@@ -75,6 +75,7 @@ public override void Write(Utf8JsonWriter writer, double value, JsonSerializerOp
 				if (bytes.Length < utf8bytes.Length)
 				{
 					bytes.CopyTo(utf8bytes);
+					return;
 				}
 			}
 			catch
diff --git a/src/Elastic.Clients.Elasticsearch/Serialization/FloatWithFractionalPortionConverter.cs b/src/Elastic.Clients.Elasticsearch/Serialization/FloatWithFractionalPortionConverter.cs
index 9c6ca35e1d6..f9532091ae4 100644
--- a/src/Elastic.Clients.Elasticsearch/Serialization/FloatWithFractionalPortionConverter.cs
+++ b/src/Elastic.Clients.Elasticsearch/Serialization/FloatWithFractionalPortionConverter.cs
@@ -75,6 +75,7 @@ public override void Write(Utf8JsonWriter writer, float value, JsonSerializerOpt
 				if (bytes.Length < utf8bytes.Length)
 				{
 					bytes.CopyTo(utf8bytes);
+					return;
 				}
 			}
 			catch