diff --git a/src/app/ui/styles/modal-dialog-custom-styles.js b/src/app/ui/styles/modal-dialog-custom-styles.js
index 70209f8d44..6fb0055f2f 100644
--- a/src/app/ui/styles/modal-dialog-custom-styles.js
+++ b/src/app/ui/styles/modal-dialog-custom-styles.js
@@ -2,7 +2,7 @@ var csjs = require('csjs-inject')
 
 var css = csjs`
   .prompt_text {
-    width: 300px;
+    width: 100%;
   }
 `