diff --git a/contrib/sign_version b/contrib/sign_version
index 98a57374f..4a503ff5f 100755
--- a/contrib/sign_version
+++ b/contrib/sign_version
@@ -1,4 +1,4 @@
 #!/bin/bash
 version=`python3 -c "import electrum; print(electrum.version.ELECTRUM_VERSION)"`
-sig=`./run_electrum -w $SIGNING_WALLET signmessage $SIGNING_ADDRESS $version`
+sig=`./run_electrum -o signmessage $SIGNING_ADDRESS $version -w $SIGNING_WALLET`
 echo "{ \"version\":\"$version\", \"signatures\":{ \"$SIGNING_ADDRESS\":\"$sig\"}}"