diff --git a/op-txproxy/Dockerfile b/op-txproxy/Dockerfile
index 1a6dfbd..439508b 100644
--- a/op-txproxy/Dockerfile
+++ b/op-txproxy/Dockerfile
@@ -1,8 +1,8 @@
 FROM golang:1.21.3-alpine3.18 as builder
 
 COPY ./op-txproxy /app
-
 WORKDIR /app
+
 RUN apk --no-cache add make jq bash git alpine-sdk
 RUN make build
 
@@ -16,3 +16,4 @@ WORKDIR /app
 COPY --from=builder /app/bin/op-txproxy /app
 
 ENTRYPOINT ["/app/op-txproxy"]
+CMD ["/app/op-txproxy"]
diff --git a/op-txproxy/cli.go b/op-txproxy/cli.go
index 64af893..645fec6 100644
--- a/op-txproxy/cli.go
+++ b/op-txproxy/cli.go
@@ -27,9 +27,10 @@ func CLIFlags(envPrefix string) []cli.Flag {
 			EnvVars: opservice.PrefixEnvVar(envPrefix, "SENDRAWTXCONDITIONAL_ENABLED"),
 		},
 		&cli.StringSliceFlag{
-			Name:    SendRawTransactionConditionalBackendFlagName,
-			Usage:   "block builder to broadcast conditional transactions",
-			EnvVars: opservice.PrefixEnvVar(envPrefix, "SENDRAWTXCONDITIONAL_BACKENDS"),
+			Name:     SendRawTransactionConditionalBackendFlagName,
+			Usage:    "block builder to broadcast conditional transactions",
+			Required: true,
+			EnvVars:  opservice.PrefixEnvVar(envPrefix, "SENDRAWTXCONDITIONAL_BACKEND"),
 		},
 		&cli.Uint64Flag{
 			Name:    SendRawTransactionConditionalRateLimitFlagName,