diff --git a/workdir/dev.sh b/workdir/dev.sh
index 31335a7..db349fd 100755
--- a/workdir/dev.sh
+++ b/workdir/dev.sh
@@ -23,7 +23,7 @@ fi
 
 # Server: runs from workdir/ so cw finds .cwrc here
 tmux new-session  -d -s "$SESSION" -n server -c "$WORKDIR"
-tmux send-keys    -t "$SESSION:server" "tsx watch $ROOT/apps/server/bin/cw.ts --server" Enter
+tmux send-keys    -t "$SESSION:server" "npx tsx watch $ROOT/apps/server/bin/cw.ts --server" Enter
 
 # Frontend: runs from project root via npm workspace
 tmux new-window   -t "$SESSION" -n web -c "$ROOT"