diff --git a/sandbox/watch.sh b/sandbox/watch.sh
index 2acfc084e6d..200268d2b92 100755
--- a/sandbox/watch.sh
+++ b/sandbox/watch.sh
@@ -2,6 +2,7 @@
 
 set -x
 
+NO_NODEMON=false
 for arg in $@; do
   if [[ $arg == "--no-nodemon" ]]; then
     NO_NODEMON=true