diff --git a/.github/workflows/tag-service.yml b/.github/workflows/tag-service.yml
index bc3dc98..e763e12 100644
--- a/.github/workflows/tag-service.yml
+++ b/.github/workflows/tag-service.yml
@@ -20,6 +20,7 @@ on:
         options:
           - op-signer
           - op-ufm
+          - op-txproxy
           - proxyd
       prerelease:
         description: Increment major/minor/patch as prerelease?
diff --git a/op-txproxy/cmd/main.go b/op-txproxy/cmd/main.go
index 86932c9..8024cd0 100644
--- a/op-txproxy/cmd/main.go
+++ b/op-txproxy/cmd/main.go
@@ -22,7 +22,7 @@ import (
 var (
 	GitCommit    = ""
 	GitDate      = ""
-	EnvVarPrefix = "op_txproxy"
+	EnvVarPrefix = "OP_TXPROXY"
 )
 
 func main() {