diff --git a/src/main.rs b/src/main.rs
index b949c93a..60a7e1fd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -149,6 +149,12 @@ fn setup(args: &[String]) -> Setup {
             "Initial volume in %, once connected (must be from 0 to 100)",
             "VOLUME",
         )
+        .optopt(
+            "",
+            "persist-volume",
+            "Persist software volume to file",
+            "FILE"
+        )
         .optopt(
             "",
             "zeroconf-port",