diff --git a/desktop/src/features/agents/ui/PersonaDialog.tsx b/desktop/src/features/agents/ui/PersonaDialog.tsx
index 687890688..88051cab0 100644
--- a/desktop/src/features/agents/ui/PersonaDialog.tsx
+++ b/desktop/src/features/agents/ui/PersonaDialog.tsx
@@ -320,7 +320,7 @@ export function PersonaDialog({
       avatarUrl: avatarUrl.trim() || undefined,
       systemPrompt: systemPrompt.trim(),
       runtime: trimmedRuntime || undefined,
-      model: trimmedRuntime ? model.trim() || undefined : undefined,
+      model: model.trim() || undefined,
       provider: preservedProvider ?? undefined,
       namePool: preservedNamePool,
       envVars: preservedEnvVars,