diff --git a/commons-serialize-json/src/main/java/io/gitlab/jfronny/commons/serialize/json/JsonWriter.java b/commons-serialize-json/src/main/java/io/gitlab/jfronny/commons/serialize/json/JsonWriter.java
index db44b56..32496c0 100644
--- a/commons-serialize-json/src/main/java/io/gitlab/jfronny/commons/serialize/json/JsonWriter.java
+++ b/commons-serialize-json/src/main/java/io/gitlab/jfronny/commons/serialize/json/JsonWriter.java
@@ -183,9 +183,11 @@ public class JsonWriter extends SerializeWriter<IOException, JsonWriter> impleme
         if (!deferredComments.isEmpty()) {
             if (newline.isEmpty()) {
                 out.append("/* ")
-                        .append(String.join(" / ", deferredComments)
-                                .replace("*/", "#/"))
-                        .append(" */");
+                        .append(String.join(" / ", deferredComments.stream()
+                                        .filter(s -> s != null && !s.isBlank())
+                                        .map(s -> s.replace("/*", "#/"))
+                                        .toList())
+                        ).append(" */");
             } else {
                 boolean first = true;
                 for (String s : deferredComments) {