diff --git a/src/caduceus/caduceus_type.go b/src/caduceus/caduceus_type.go
index daff3771..f4773572 100644
--- a/src/caduceus/caduceus_type.go
+++ b/src/caduceus/caduceus_type.go
@@ -21,7 +21,7 @@ const (
 // Below is the struct we're using to contain the data from a provided config file
 // TODO: Try to figure out how to make bucket ranges configurable
 type CaduceusConfig struct {
-	AuthHeader                          string
+	AuthHeader                          []string
 	NumWorkerThreads                    int
 	JobQueueSize                        int
 	SenderNumWorkersPerSender           int