diff --git a/quartz/src/jvmAndroid/kotlin/com/vitorpamplona/quartz/nip01Core/relay/filters/FilterSerializer.kt b/quartz/src/jvmAndroid/kotlin/com/vitorpamplona/quartz/nip01Core/relay/filters/FilterSerializer.kt
index 17f64c17f..afd06b36b 100644
--- a/quartz/src/jvmAndroid/kotlin/com/vitorpamplona/quartz/nip01Core/relay/filters/FilterSerializer.kt
+++ b/quartz/src/jvmAndroid/kotlin/com/vitorpamplona/quartz/nip01Core/relay/filters/FilterSerializer.kt
@@ -32,6 +32,14 @@ class FilterSerializer : StdSerializer<Filter>(Filter::class.java) {
     ) {
         gen.writeStartObject()
 
+        filter.kinds?.run {
+            gen.writeArrayFieldStart("kinds")
+            for (i in indices) {
+                gen.writeNumber(this[i])
+            }
+            gen.writeEndArray()
+        }
+
         filter.ids?.run {
             gen.writeArrayFieldStart("ids")
             for (i in indices) {
@@ -48,14 +56,6 @@ class FilterSerializer : StdSerializer<Filter>(Filter::class.java) {
             gen.writeEndArray()
         }
 
-        filter.kinds?.run {
-            gen.writeArrayFieldStart("kinds")
-            for (i in indices) {
-                gen.writeNumber(this[i])
-            }
-            gen.writeEndArray()
-        }
-
         filter.tags?.run {
             entries.forEach { kv ->
                 gen.writeArrayFieldStart("#${kv.key}")