diff --git a/adapters/gumgum/gumgum.go b/adapters/gumgum/gumgum.go
index 4e44aacb82e..cc9378b8aa9 100644
--- a/adapters/gumgum/gumgum.go
+++ b/adapters/gumgum/gumgum.go
@@ -121,7 +121,9 @@ func (g *adapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest
 			})
 		}
 	}
-
+	if bidResp.Cur != "" {
+		bidResponse.Currency = bidResp.Cur
+	}
 	return bidResponse, errs
 }