diff --git a/automated/run-nightly.sh b/automated/run-nightly.sh
index 15bc25dc..d598db90 100755
--- a/automated/run-nightly.sh
+++ b/automated/run-nightly.sh
@@ -2,12 +2,17 @@
 
 cd "$(dirname "${BASH_SOURCE[0]}")"
 
+case $1 in
+        1) once=1 ;;
+        *) cmd=$1
+esac
+
 while true; do
     git pull
-    ./build.sh nightly-$(date -u +%F) $1
-    ${1:+exit 0}
+    ./build.sh nightly-$(date -u +%F) $cmd
+    ${cmd:+exit 0}
     date
-
+    ${once:+exit 0}
     sleep 60m
     echo
 done