diff --git a/src/cljc/auto_ap/entities/shared.cljc b/src/cljc/auto_ap/entities/shared.cljc
index d83cea24..b2363b46 100644
--- a/src/cljc/auto_ap/entities/shared.cljc
+++ b/src/cljc/auto_ap/entities/shared.cljc
@@ -3,7 +3,7 @@
             [clojure.string :as str]))
 
 (def date-regex #"[0-9]{4}-[0-9]{1,2}-[0-9]{1,2}")
-(def money-regex #"[0-9]+(\.[0-9]{1,2})?$")
+(def money-regex #"\-?[0-9]+(\.[0-9]{1,2})?$")
 
 (s/def ::identifier (s/nilable string?))
 (s/def ::date (s/and string? #(re-matches date-regex %)))