diff --git a/src/clj/auto_ap/graphql/ledger.clj b/src/clj/auto_ap/graphql/ledger.clj
index 26d84a08..7953d416 100644
--- a/src/clj/auto_ap/graphql/ledger.clj
+++ b/src/clj/auto_ap/graphql/ledger.clj
@@ -184,7 +184,7 @@
 (defn get-profit-and-loss [context args _]
   (let [client-id (:client_id args)
         client-ids (or (some-> client-id vector)
-                       (:client_ids args))
+                       (filter identity (:client_ids args)))
         _ (when (not (seq client-ids))
             (throw (ex-info "Please select a client." {:validation-error "Please select a client."})))
         _ (doseq [client-id client-ids]