diff --git a/render/jpql/src/main/kotlin/com/linecorp/kotlinjdsl/render/jpql/serializer/impl/JpqlInSerializer.kt b/render/jpql/src/main/kotlin/com/linecorp/kotlinjdsl/render/jpql/serializer/impl/JpqlInSerializer.kt
index 4d1fd3b0c..34c09926a 100644
--- a/render/jpql/src/main/kotlin/com/linecorp/kotlinjdsl/render/jpql/serializer/impl/JpqlInSerializer.kt
+++ b/render/jpql/src/main/kotlin/com/linecorp/kotlinjdsl/render/jpql/serializer/impl/JpqlInSerializer.kt
@@ -28,9 +28,7 @@ class JpqlInSerializer : JpqlSerializer<JpqlIn<*>> {
             writer.write(" ")
 
             writer.writeParentheses {
-                writer.writeEach(part.compareValues, separator = ", ") {
-                    delegate.serialize(it, writer, context)
-                }
+                writer.writeParam(part.compareValues)
             }
         }
     }
diff --git a/render/jpql/src/test/kotlin/com/linecorp/kotlinjdsl/render/jpql/serializer/impl/JpqlInSerializerTest.kt b/render/jpql/src/test/kotlin/com/linecorp/kotlinjdsl/render/jpql/serializer/impl/JpqlInSerializerTest.kt
index 51786ff95..151502174 100644
--- a/render/jpql/src/test/kotlin/com/linecorp/kotlinjdsl/render/jpql/serializer/impl/JpqlInSerializerTest.kt
+++ b/render/jpql/src/test/kotlin/com/linecorp/kotlinjdsl/render/jpql/serializer/impl/JpqlInSerializerTest.kt
@@ -64,10 +64,7 @@ class JpqlInSerializerTest : WithAssertions {
             writer.write("IN")
             writer.write(" ")
             writer.writeParentheses(any())
-            writer.writeEach(expressions, ", ", any())
-            serializer.serialize(expression2, writer, context)
-            serializer.serialize(expression3, writer, context)
-            serializer.serialize(expression4, writer, context)
+            writer.writeParam(expressions)
         }
     }