diff --git a/src/github.com/matrix-org/dendron/dendron/main.go b/src/github.com/matrix-org/dendron/dendron/main.go
index febb04d..bdd1256 100644
--- a/src/github.com/matrix-org/dendron/dendron/main.go
+++ b/src/github.com/matrix-org/dendron/dendron/main.go
@@ -49,6 +49,7 @@ var (
 	mediaRepositoryURLStr  = flag.String("media-repository-url", "", "The HTTP URL that the media repository will listen on")
 	clientReaderConfig     = flag.String("client-reader-config", "", "Client reader worker config")
 	clientReaderURLStr     = flag.String("client-reader-url", "", "The HTTP URL that the client reader will listen on")
+	federationSenderConfig = flag.String("federation-sender-config", "", "Federation sender worker config")
 
 	logDir = flag.String("log-dir", "var", "Logging output directory, Dendron logs to error.log, warn.log and info.log in that directory")
 )
@@ -337,6 +338,22 @@ func main() {
 			defer cleanup()
 		}
 
+		if *federationSenderConfig != "" {
+			processLog, cleanup, err := startProcess(
+				"federation_sender", nil, terminate,
+				*synapsePython,
+				"-m", "synapse.app.federation_sender",
+				"-c", *synapseConfig,
+				"-c", *federationSenderConfig,
+			)
+
+			if err != nil {
+				processLog.Panic(err)
+			}
+
+			defer cleanup()
+		}
+
 		synapseLog.Print("Synapse started")
 	} else {
 		synapseLog.Print("Using existing synapse")