diff --git a/cmd/revid-cli/main.go b/cmd/revid-cli/main.go
index ce6dc5fa..893f249b 100644
--- a/cmd/revid-cli/main.go
+++ b/cmd/revid-cli/main.go
@@ -130,8 +130,8 @@ func handleFlags() revid.Config {
 		sendRetryPtr          = flag.Bool("retry", false, "Specify whether a failed send should be retried.")
 		brightnessPtr         = flag.Uint("Brightness", 50, "Set Brightness: 0-100 ")
 		saturationPtr         = flag.Int("Saturation", 0, "Set Saturation: -100:100")
-		exposurePtr           = flag.String("Exposure", "", "Set exposure mode: "+strings.Join(revid.ExposureModes[:], ","))
-		autoWhiteBalancePtr   = flag.String("Awb", "", "Set automatic white balance mode: "+strings.Join(revid.AwbModes[:], ","))
+		exposurePtr           = flag.String("Exposure", "auto", "Set exposure mode: "+strings.Join(revid.ExposureModes[:], ","))
+		autoWhiteBalancePtr   = flag.String("Awb", "auto", "Set automatic white balance mode: "+strings.Join(revid.AwbModes[:], ","))
 	)
 
 	var outputs flagStrings