diff --git a/src/github.com/matrix-org/dendrite/cmd/dendrite-media-api-server/main.go b/src/github.com/matrix-org/dendrite/cmd/dendrite-media-api-server/main.go
index 2c62cdb9..c6bd9dea 100644
--- a/src/github.com/matrix-org/dendrite/cmd/dendrite-media-api-server/main.go
+++ b/src/github.com/matrix-org/dendrite/cmd/dendrite-media-api-server/main.go
@@ -29,7 +29,7 @@ import (
 
 var (
 	logDir     = os.Getenv("LOG_DIR")
-	configPath = flag.String("config", "", "The path to the config file. For more information, see the config file in this repository.")
+	configPath = flag.String("config", "dendrite.yaml", "The path to the config file. For more information, see the config file in this repository.")
 )
 
 func main() {
diff --git a/src/github.com/matrix-org/dendrite/cmd/dendrite-room-server/main.go b/src/github.com/matrix-org/dendrite/cmd/dendrite-room-server/main.go
index 8737c986..bd8116b6 100644
--- a/src/github.com/matrix-org/dendrite/cmd/dendrite-room-server/main.go
+++ b/src/github.com/matrix-org/dendrite/cmd/dendrite-room-server/main.go
@@ -33,7 +33,7 @@ import (
 
 var (
 	logDir     = os.Getenv("LOG_DIR")
-	configPath = flag.String("config", "", "The path to the config file. For more information, see the config file in this repository.")
+	configPath = flag.String("config", "dendrite.yaml", "The path to the config file. For more information, see the config file in this repository.")
 )
 
 func main() {