diff --git a/src/main/kotlin/no/nav/klage/dokument/api/view/PreviewSvarbrevInput.kt b/src/main/kotlin/no/nav/klage/dokument/api/view/PreviewSvarbrevInput.kt
index 1e09286ad..7619f2f9a 100644
--- a/src/main/kotlin/no/nav/klage/dokument/api/view/PreviewSvarbrevInput.kt
+++ b/src/main/kotlin/no/nav/klage/dokument/api/view/PreviewSvarbrevInput.kt
@@ -23,5 +23,5 @@ data class PreviewSvarbrevAnonymousInput(
     val typeId: String,
     val behandlingstidUnits: Int,
     val behandlingstidUnitType: SvarbrevSettings.BehandlingstidUnitType,
-    val customText: String,
+    val customText: String?,
 )
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