diff --git a/adapters/unruly/unruly.go b/adapters/unruly/unruly.go
index cdea14d3b58..97fc2b64a94 100644
--- a/adapters/unruly/unruly.go
+++ b/adapters/unruly/unruly.go
@@ -113,7 +113,7 @@ func (a *adapter) MakeBids(internalRequest *openrtb2.BidRequest, externalRequest
 		}}
 	}
 
-	bidResponse := adapters.NewBidderResponseWithBidsCapacity(5)
+	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(internalRequest.Imp))
 
 	var errs []error
 	for _, sb := range bidResp.SeatBid {