diff --git a/mobile/src/util.js b/mobile/src/util.js
index ac284a0..3f6077e 100644
--- a/mobile/src/util.js
+++ b/mobile/src/util.js
@@ -57,7 +57,9 @@ export const pad = (num, size) => {
 }
 
 export const dotify = (s) => {
-  if (s.length < 30) {
+  if (!s) {
+    return "..."
+  } else if (s.length < 30) {
     return s
   } else {
     return s.substring(0, 26) + "..."