diff --git a/ui/types/formSchemas.ts b/ui/types/formSchemas.ts
index e23d47eb55..b39a7d92a4 100644
--- a/ui/types/formSchemas.ts
+++ b/ui/types/formSchemas.ts
@@ -142,7 +142,7 @@ export const addCredentialsRoleFormSchema = (providerType: string) =>
           aws_access_key_id: z.string().optional(),
           aws_secret_access_key: z.string().optional(),
           aws_session_token: z.string().optional(),
-          session_duration: z.number().optional(),
+          session_duration: z.string().optional(),
           role_session_name: z.string().optional(),
           credentials_type: z.string().optional(),
         })