diff --git a/src/test/groovy/org/prebid/server/functional/model/request/auction/ImpExt.groovy b/src/test/groovy/org/prebid/server/functional/model/request/auction/ImpExt.groovy
index 201858525cc..55c626d7bd6 100644
--- a/src/test/groovy/org/prebid/server/functional/model/request/auction/ImpExt.groovy
+++ b/src/test/groovy/org/prebid/server/functional/model/request/auction/ImpExt.groovy
@@ -23,6 +23,7 @@ class ImpExt {
     String tid
     String gpid
     String sid
+    @JsonProperty("ae")
     AuctionEnvironment auctionEnvironment
     String all
     String skadn