diff --git a/src/textview.ts b/src/textview.ts
line changes: +6/-1
index 02b93dc..2d932b7
--- a/src/textview.ts
+++ b/src/textview.ts

@@ -11,7 +11,12 @@ export default class TextView {
     }
 
     print(...args: string[]) {
-        const line = args.join(' ');
+        let line;
+        if (args.length == 0) {
+            line = '\u200b';
+        } else {
+            line = args.join(' ');
+        }
         const div = document.createElement('div');
         div.appendChild(document.createTextNode(line));
         this.elem.appendChild(div);