diff --git a/auth/middleware.go b/auth/middleware.go
index e0077941302d53603d04c034c3e5dff2a5fe040e..c3ab5ffd447e7104ee70ac1c1589e53cb39ae0a2 100644
--- a/auth/middleware.go
+++ b/auth/middleware.go
@@ -256,7 +256,7 @@ 	// An arbitrary identifier for this internal node, e.g. "us-east-3.git.sr.ht"
 	NodeID string `json:"node_id"`
 
 	// Only used by specific meta.sr.ht routes
-	OAuthClientUUID string `json:"oauth_client_id",omit-empty`
+	OAuthClientUUID string `json:"oauth_client_id,omit-empty"`
 }
 
 func internalAuth(internalNet []*net.IPNet, payload []byte,